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	diff --git a/build-aux/knet_valgrind_memcheck.supp b/build-aux/knet_valgrind_memcheck.supp
	index e69de29b..9e195651 100644
	--- a/build-aux/knet_valgrind_memcheck.supp
	+++ b/build-aux/knet_valgrind_memcheck.supp
	@@ -0,0 +1,446 @@
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:lzma_stream_header_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_crc32
	+ fun:lzma_stream_header_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:lzma_crc32
	+ fun:lzma_stream_header_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:lzma_block_header_encode
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:is_overlap
	+ fun:memcpy@@GLIBC_2.14
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:memcpy@@GLIBC_2.14
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:memcpy@@GLIBC_2.14
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:lzma_vli_encode
	+ fun:lzma_filter_flags_encode
	+ fun:lzma_block_header_encode
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_filter_flags_encode
	+ fun:lzma_block_header_encode
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:memset
	+ fun:lzma_block_header_encode
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:memset
	+ fun:lzma_block_header_encode
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_block_unpadded_size
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_index_append
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_vli_size
	+ fun:lzma_index_append
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_index_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_index_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_index_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_vli_encode
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_index_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:lzma_vli_encode
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_index_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_crc32
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_index_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:lzma_crc32
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_index_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:lzma_stream_footer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Value8
	+ fun:lzma_crc32
	+ fun:lzma_stream_footer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ fun:lzma_crc32
	+ fun:lzma_stream_footer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+ fun:clone
	+}
	+{
	+ lzma internal stuff
	+ Memcheck:Cond
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ obj:/usr/lib64/liblzma.so.5.2.2
	+ fun:lzma_block_buffer_encode
	+ fun:lzma_stream_buffer_encode
	+ fun:lzma_easy_buffer_encode
	+ fun:lzma_compress
	+ fun:_parse_recv_from_sock
	+ fun:_handle_send_to_links
	+ fun:_handle_send_to_links_thread
	+ fun:start_thread
	+}
	+
	diff --git a/configure.ac b/configure.ac
	index bd764c6c..42fae6a9 100644
	--- a/configure.ac
	+++ b/configure.ac
	@@ -1,420 +1,421 @@
	#
	# Copyright (C) 2010-2015 Red Hat, Inc. All rights reserved.
	#
	# Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
	# Federico Simoncelli <fsimon@kronosnet.org>
	#
	# This software licensed under GPL-2.0+, LGPL-2.0+
	#

	# -- Autoconf --
	# Process this file with autoconf to produce a configure script.
	#

	AC_PREREQ([2.63])
	AC_INIT([kronosnet],
	m4_esyscmd([build-aux/git-version-gen .tarball-version]),
	[devel@lists.kronosnet.org])
	AC_USE_SYSTEM_EXTENSIONS
	AM_INIT_AUTOMAKE([1.11.1 dist-bzip2 dist-xz color-tests -Wno-portability subdir-objects])
	LT_PREREQ([2.2.6])
	LT_INIT

	AC_CONFIG_MACRO_DIR([m4])
	AC_CONFIG_SRCDIR([kronosnetd/main.c])
	AC_CONFIG_HEADERS([config.h])

	AC_CANONICAL_HOST
	AC_PROG_LIBTOOL

	AC_LANG([C])

	systemddir=${prefix}/lib/systemd/system

	if test "$prefix" = "NONE"; then
	prefix="/usr"
	if test "$localstatedir" = "\${prefix}/var"; then
	localstatedir="/var"
	fi
	if test "$sysconfdir" = "\${prefix}/etc"; then
	sysconfdir="/etc"
	fi
	if test "$systemddir" = "NONE/lib/systemd/system"; then
	systemddir=/lib/systemd/system
	fi
	if test "$libdir" = "\${exec_prefix}/lib"; then
	if test -e /usr/lib64; then
	libdir="/usr/lib64"
	else
	libdir="/usr/lib"
	fi
	fi
	fi

	# Checks for programs.
	if ! ${MAKE-make} --version /cannot/make/this >/dev/null 2>&1; then
	AC_MSG_ERROR(["you don't seem to have GNU make; it is required"])
	fi

	AC_PROG_AWK
	AC_PROG_GREP
	AC_PROG_SED
	AC_PROG_CPP
	AC_PROG_CC
	AC_PROG_CC_C99
	if test "x$ac_cv_prog_cc_c99" = "xno"; then
	AC_MSG_ERROR(["C99 support is required"])
	fi
	AC_PROG_LN_S
	AC_PROG_INSTALL
	AC_PROG_MAKE_SET
	AC_PROG_CXX
	AC_PROG_RANLIB
	AC_CHECK_PROGS([PUBLICAN], [publican], [:])
	AC_CHECK_PROGS([PKGCONFIG], [pkg-config])

	AC_ARG_ENABLE([poc],
	[ --disable-poc : avoid building poc code ],,
	[ enable_poc="yes" ])
	AM_CONDITIONAL([BUILD_POC], [test x$enable_poc = xyes])

	AC_ARG_ENABLE([kronosnetd],
	[ --enable-kronosnetd : Kronosnetd support ],,
	[ enable_kronosnetd="no" ])
	AM_CONDITIONAL([BUILD_KRONOSNETD], [test x$enable_kronosnetd = xyes])

	AC_ARG_ENABLE([libtap],
	[ --enable-libtap : libtap support ],,
	[ enable_libtap="no" ])

	if test "x$enable_kronosnetd" = xyes; then
	enable_libtap=yes
	fi
	AM_CONDITIONAL([BUILD_LIBTAP], [test x$enable_libtap = xyes])

	AC_ARG_ENABLE([libknet-sctp],
	[ --disable-libknet-sctp : avoid libknet SCTP support ],,
	[ enable_libknet_sctp="yes" ])

	## local helper functions
	# this function checks if CC support options passed as
	# args. Global CFLAGS are ignored during this test.
	cc_supports_flag() {
	saveCPPFLAGS="$CPPFLAGS"
	CPPFLAGS="$@"
	if echo $CC \| grep -q clang; then
	CPPFLAGS="-Werror $CPPFLAGS"
	fi
	AC_MSG_CHECKING([whether $CC supports "$@"])
	AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])],
	[RC=0; AC_MSG_RESULT([yes])],
	[RC=1; AC_MSG_RESULT([no])])
	CPPFLAGS="$saveCPPFLAGS"
	return $RC
	}

	# helper macro to check libs without adding them to LIBS
	check_lib_no_libs() {
	lib_no_libs_arg1=$1
	shift
	lib_no_libs_arg2=$1
	shift
	lib_no_libs_args=$@
	AC_CHECK_LIB([$lib_no_libs_arg1],
	[$lib_no_libs_arg2],,,
	[$lib_no_libs_args])
	LIBS=$ac_check_lib_save_LIBS
	}

	# Checks for C features
	AC_C_INLINE

	# Checks for libraries.
	AC_CHECK_LIB([pthread], [pthread_create])
	AC_CHECK_LIB([m], [ceil])
	AC_CHECK_LIB([rt], [clock_gettime])

	# crypto libraries checks
	PKG_CHECK_MODULES([nss],[nss])

	# compress libraries checks
	# zlib is cheap because it's pulled in by nss
	PKG_CHECK_MODULES([zlib], [zlib])
	PKG_CHECK_MODULES([liblz4], [liblz4])
	+PKG_CHECK_MODULES([liblzma], [liblzma])
	AC_CHECK_HEADERS([lzo/lzo1x.h], [AC_CHECK_LIB([lzo2], [lzo1x_decompress_safe])], [AC_MSG_ERROR(["missing required lzo/lzo1x.h header"])])

	# Checks for header files.
	AC_CHECK_HEADERS([fcntl.h])
	AC_CHECK_HEADERS([stdlib.h])
	AC_CHECK_HEADERS([string.h])
	AC_CHECK_HEADERS([strings.h])
	AC_CHECK_HEADERS([sys/ioctl.h])
	AC_CHECK_HEADERS([syslog.h])
	AC_CHECK_HEADERS([unistd.h])
	AC_CHECK_HEADERS([netinet/in.h])
	AC_CHECK_HEADERS([sys/socket.h])
	AC_CHECK_HEADERS([arpa/inet.h])
	AC_CHECK_HEADERS([netdb.h])
	AC_CHECK_HEADERS([limits.h])
	AC_CHECK_HEADERS([stdint.h])
	AC_CHECK_HEADERS([sys/epoll.h])

	if test "x$enable_libknet_sctp" = xyes; then
	AC_CHECK_HEADERS([netinet/sctp.h],, [AC_MSG_ERROR(["missing required SCTP headers"])])
	fi

	# Checks for typedefs, structures, and compiler characteristics.
	AC_C_INLINE
	AC_TYPE_SIZE_T
	AC_TYPE_PID_T
	AC_TYPE_SSIZE_T
	AC_TYPE_UINT8_T
	AC_TYPE_UINT16_T
	AC_TYPE_UINT32_T
	AC_TYPE_UINT64_T
	AC_TYPE_INT32_T

	# Checks for library functions.
	AC_FUNC_ALLOCA
	AC_FUNC_FORK
	AC_FUNC_MALLOC
	AC_FUNC_REALLOC
	AC_CHECK_FUNCS([memset])
	AC_CHECK_FUNCS([strdup])
	AC_CHECK_FUNCS([strerror])
	AC_CHECK_FUNCS([dup2])
	AC_CHECK_FUNCS([select])
	AC_CHECK_FUNCS([socket])
	AC_CHECK_FUNCS([inet_ntoa])
	AC_CHECK_FUNCS([memmove])
	AC_CHECK_FUNCS([strchr])
	AC_CHECK_FUNCS([atexit])
	AC_CHECK_FUNCS([ftruncate])
	AC_CHECK_FUNCS([strrchr])
	AC_CHECK_FUNCS([strstr])
	AC_CHECK_FUNCS([clock_gettime])
	AC_CHECK_FUNCS([strcasecmp])
	AC_CHECK_FUNCS([kevent])
	# if neither sys/epoll.h nor kevent are present, we should fail.

	if test "x$ac_cv_header_sys_epoll_h" = xno && test "x$ac_cv_func_kevent" = xno; then
	AC_MSG_ERROR([Both epoll and kevent unavailable on this OS])
	fi

	if test "x$ac_cv_header_sys_epoll_h" = xyes && test "x$ac_cv_func_kevent" = xyes; then
	AC_MSG_ERROR([Both epoll and kevent available on this OS, please contact the maintainers to fix the code])
	fi

	# checks (for kronosnetd)
	if test "x$enable_kronosnetd" = xyes; then

	AC_CHECK_HEADERS([security/pam_appl.h],
	[AC_CHECK_LIB([pam], [pam_start])],
	[AC_MSG_ERROR([Unable to find LinuxPAM devel files])])

	AC_CHECK_HEADERS([security/pam_misc.h],
	[AC_CHECK_LIB([pam_misc], [misc_conv])],
	[AC_MSG_ERROR([Unable to find LinuxPAM MISC devel files])])

	PKG_CHECK_MODULES([libqb], [libqb])

	AC_CHECK_LIB([qb], [qb_log_thread_priority_set],
	[have_qb_log_thread_priority_set="yes"],
	[have_qb_log_thread_priority_set="no"])

	if test "x${have_qb_log_thread_priority_set}" = xyes; then
	AC_DEFINE_UNQUOTED([HAVE_QB_LOG_THREAD_PRIORITY_SET], [1], [have qb_log_thread_priority_set])
	fi

	fi

	# local options
	AC_ARG_ENABLE([debug],
	[ --enable-debug enable debug build. ],
	[ default="no" ])

	AC_ARG_ENABLE([publicandocs],
	[ --enable-publicandocs enable docs build. ],
	[ default="no" ])

	AC_ARG_WITH([initdefaultdir],
	[ --with-initdefaultdir : path to /etc/sysconfig/.. or /etc/default dir. ],
	[ INITDEFAULTDIR="$withval" ],
	[ INITDEFAULTDIR="$sysconfdir/default" ])

	AC_ARG_WITH([initddir],
	[ --with-initddir=DIR : path to init script directory. ],
	[ INITDDIR="$withval" ],
	[ INITDDIR="$sysconfdir/init.d" ])

	AC_ARG_WITH([systemddir],
	[ --with-systemddir=DIR : path to systemd unit files directory. ],
	[ SYSTEMDDIR="$withval" ],
	[ SYSTEMDDIR="$systemddir" ])

	AC_ARG_WITH([syslogfacility],
	[ --with-syslogfacility=FACILITY
	default syslog facility. ],
	[ SYSLOGFACILITY="$withval" ],
	[ SYSLOGFACILITY="LOG_DAEMON" ])

	AC_ARG_WITH([sysloglevel],
	[ --with-sysloglevel=LEVEL
	default syslog level. ],
	[ SYSLOGLEVEL="$withval" ],
	[ SYSLOGLEVEL="LOG_INFO" ])

	AC_ARG_WITH([defaultadmgroup],
	[ --with-defaultadmgroup=GROUP
	define PAM group. Users part of this group will be
	allowed to configure kronosnet. Others will only
	receive read-only rights. ],
	[ DEFAULTADMGROUP="$withval" ],
	[ DEFAULTADMGROUP="kronosnetadm" ])

	## random vars
	LOGDIR=${localstatedir}/log/
	RUNDIR=${localstatedir}/run/
	DEFAULT_CONFIG_DIR=${sysconfdir}/kronosnet

	## do subst

	AM_CONDITIONAL([BUILD_DOCS], [test "x${enable_publicandocs}" = xyes])
	AM_CONDITIONAL([DEBUG], [test "x${enable_debug}" = xyes])

	AC_SUBST([DEFAULT_CONFIG_DIR])
	AC_SUBST([INITDEFAULTDIR])
	AC_SUBST([INITDDIR])
	AC_SUBST([SYSTEMDDIR])
	AC_SUBST([LOGDIR])
	AC_SUBST([DEFAULTADMGROUP])

	AC_DEFINE_UNQUOTED([DEFAULT_CONFIG_DIR],
	["$(eval echo ${DEFAULT_CONFIG_DIR})"],
	[Default config directory])

	AC_DEFINE_UNQUOTED([DEFAULT_CONFIG_FILE],
	["$(eval echo ${DEFAULT_CONFIG_DIR}/kronosnetd.conf)"],
	[Default config file])

	AC_DEFINE_UNQUOTED([LOGDIR],
	["$(eval echo ${LOGDIR})"],
	[Default logging directory])

	AC_DEFINE_UNQUOTED([DEFAULT_LOG_FILE],
	["$(eval echo ${LOGDIR}/kronosnetd.log)"],
	[Default log file])

	AC_DEFINE_UNQUOTED([RUNDIR],
	["$(eval echo ${RUNDIR})"],
	[Default run directory])

	AC_DEFINE_UNQUOTED([SYSLOGFACILITY],
	[$(eval echo ${SYSLOGFACILITY})],
	[Default syslog facility])

	AC_DEFINE_UNQUOTED([SYSLOGLEVEL],
	[$(eval echo ${SYSLOGLEVEL})],
	[Default syslog level])

	AC_DEFINE_UNQUOTED([DEFAULTADMGROUP],
	["$(eval echo ${DEFAULTADMGROUP})"],
	[Default admin group])

	## *FLAGS handling
	ENV_CFLAGS="$CFLAGS"
	ENV_CPPFLAGS="$CPPFLAGS"
	ENV_LDFLAGS="$LDFLAGS"

	# debug build stuff
	if test "x${enable_debug}" = xyes; then
	AC_DEFINE_UNQUOTED([DEBUG], [1], [Compiling Debugging code])
	OPT_CFLAGS="-O0"
	else
	OPT_CFLAGS="-O3"
	fi

	# gdb flags
	if test "x${GCC}" = xyes; then
	GDB_FLAGS="-ggdb3"
	else
	GDB_FLAGS="-g"
	fi

	# extra warnings
	EXTRA_WARNINGS=""

	WARNLIST="
	all
	extra
	unused
	shadow
	missing-prototypes
	missing-declarations
	suggest-attribute=noreturn
	suggest-attribute=format
	strict-prototypes
	declaration-after-statement
	pointer-arith
	write-strings
	cast-align
	bad-function-cast
	missing-format-attribute
	float-equal
	format=2
	format-signedness
	format-security
	format-nonliteral
	no-long-long
	unsigned-char
	gnu89-inline
	no-strict-aliasing
	error
	address
	cpp
	overflow
	parentheses
	sequence-point
	switch
	shift-overflow=2
	overlength-strings
	retundent-decls
	init-self
	uninitialized
	unused-but-set-variable
	unused-function
	unused-result
	unused-value
	unused-variable
	unknown-pragmas
	no-unused-parameter
	"

	for j in $WARNLIST; do
	if cc_supports_flag -W$j; then
	EXTRA_WARNINGS="$EXTRA_WARNINGS -W$j";
	fi
	done

	CFLAGS="$ENV_CFLAGS $lt_prog_compiler_pic $OPT_CFLAGS $GDB_FLAGS \
	$EXTRA_WARNINGS $WERROR_CFLAGS"
	CPPFLAGS="$ENV_CPPFLAGS"
	LDFLAGS="$ENV_LDFLAGS $lt_prog_compiler_pic -Wl,--as-needed"

	AC_CONFIG_FILES([
	Makefile
	init/Makefile
	libtap/Makefile
	libtap/libtap.pc
	kronosnetd/Makefile
	kronosnetd/kronosnetd.logrotate
	libknet/Makefile
	libknet/libknet.pc
	libknet/tests/Makefile
	docs/Makefile
	poc-code/Makefile
	poc-code/iov-hash/Makefile
	poc-code/access-list/Makefile
	])

	AC_OUTPUT
	diff --git a/debian/control b/debian/control
	index c9800b03..f9452ca7 100644
	--- a/debian/control
	+++ b/debian/control
	@@ -1,67 +1,67 @@
	Source: kronosnet
	Priority: extra
	Maintainer: Fabio M. Di Nitto <fabbione@kronosnet.org>
	-Build-Depends: debhelper (>= 7.0.50~), autotools-dev, libqb-dev (>= 0.14.3), libnss3-dev, libnspr4-dev, pkg-config, libpam-dev, zlib1g-dev, liblz4-dev, liblzo2-dev
	+Build-Depends: debhelper (>= 7.0.50~), autotools-dev, libqb-dev (>= 0.14.3), libnss3-dev, libnspr4-dev, pkg-config, libpam-dev, zlib1g-dev, liblz4-dev, liblzo2-dev, liblzma-dev
	Standards-Version: 3.8.4
	Section: admin

	Package: kronosnetd
	Section: admin
	Architecture: any
	Depends: ${shlibs:Depends}, ${misc:Depends}
	Description: Multipoint-to-Multipoint VPN daemon
	The kronosnet daemon is a bridge between kronosnet switching engine
	and kernel network tap devices, to create and administer a
	distributed LAN over multipoint-to-multipoint VPNs.
	The daemon does a poor attempt to provide a configure UI similar
	to other known network devices/tools (Cisco, quagga).
	Beside looking horrific, it allows runtime changes and
	reconfiguration of the kronosnet(s) without daemon reload
	or service disruption.
	.
	This package contains the kronosnet daemon and utils.

	Package: libtap0
	Section: libs
	Architecture: any
	Depends: ${shlibs:Depends}, ${misc:Depends}
	Description: Simple userland wrapper around kernel tap devices
	This is an over-engineered commodity library to manage a pool
	of tap devices and provides the basic
	pre-up.d/up.d/down.d/post-down.d infrastructure.
	.
	This package contains libraries that should be used by libtap clients.

	Package: libtap-dev
	Section: libdevel
	Architecture: any
	Depends: libtap0 (= ${binary:Version}), ${misc:Depends}
	Description: Simple userland wrapper around kernel tap devices (developer files)
	This is an over-engineered commodity library to manage a pool
	of tap devices and provides the basic
	pre-up.d/up.d/down.d/post-down.d infrastructure.
	.
	This package contains header files required to build clients for libtap clients.

	Package: libknet0
	Section: libs
	Architecture: any
	Depends: ${shlibs:Depends}, ${misc:Depends}
	Description: kronosnet core switching implementation
	The whole kronosnet core is implemented in this library.
	Please refer to the not-yet-existing documentation for further
	information.
	.
	This package contains libraries that should be used by libknet clients.

	Package: libknet-dev
	Section: libdevel
	Architecture: any
	Depends: libknet0 (= ${binary:Version}), ${misc:Depends}
	Description: kronosnet core switching implementation (developer files)
	The whole kronosnet core is implemented in this library.
	Please refer to the not-yet-existing documentation for further
	information.
	.
	This package contains header files required to build clients for
	libknet clients.
	diff --git a/kronosnet.spec.in b/kronosnet.spec.in
	index a71b63a4..e3043282 100644
	--- a/kronosnet.spec.in
	+++ b/kronosnet.spec.in
	@@ -1,254 +1,254 @@
	###############################################################################
	###############################################################################
	##
	## Copyright (C) 2010-2015 Red Hat, Inc. All rights reserved.
	##
	## This copyrighted material is made available to anyone wishing to use,
	## modify, copy, or redistribute it subject to the terms and conditions
	## of the GNU General Public License v.2 or higher
	##
	###############################################################################
	###############################################################################

	# keep around ready for later user
	%global alphatag @alphatag@
	%global numcomm @numcomm@
	%global dirty @dirty@

	# set defaults from ./configure invokation
	%@kronosnetd@ kronosnetd
	%@libtap@ libtap

	%if %{with libtap}
	%global buildlibtap 1
	%endif
	%if %{with kronosnetd}
	%global buildlibtap 1
	%global buildkronosnetd 1
	%endif

	# main (empty) package
	# http://www.rpm.org/max-rpm/s1-rpm-subpack-spec-file-changes.html

	Name: kronosnet
	Summary: Multipoint-to-Multipoint VPN daemon
	Version: @version@
	Release: 1%{?numcomm:.%{numcomm}}%{?alphatag:.%{alphatag}}%{?dirty:.%{dirty}}%{?dist}
	License: GPLv2+ and LGPLv2+
	Group: System Environment/Base
	URL: https://github.com/fabbione/kronosnet/
	Source0: https://github.com/fabbione/kronosnet/archive/%{name}-%{version}%{?numcomm:.%{numcomm}}%{?alphatag:-%{alphatag}}%{?dirty:-%{dirty}}.tar.gz

	## Setup/build bits

	BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)

	# Build dependencies
	BuildRequires: nss-devel lksctp-tools-devel
	-BuildRequires: zlib-devel lz4-devel lzo-devel
	+BuildRequires: zlib-devel lz4-devel lzo-devel xz-devel
	%if %{defined buildkronosnetd}
	BuildRequires: libqb-devel pam-devel
	%endif

	%prep
	%setup -q -n %{name}-%{version}%{?numcomm:.%{numcomm}}%{?alphatag:-%{alphatag}}%{?dirty:-%{dirty}}

	%build
	%{configure} --disable-poc \
	%if %{defined buildkronosnetd}
	--enable-kronosnetd \
	%endif
	%if %{defined buildlibtap}
	--enable-libtap \
	%endif
	--with-initdefaultdir=%{_sysconfdir}/sysconfig/ \
	%if %{defined _unitdir}
	--with-systemddir=%{_unitdir}
	%else
	--with-initddir=%{_sysconfdir}/rc.d/init.d/
	%endif

	make %{_smp_mflags}

	%install
	rm -rf %{buildroot}
	make install DESTDIR=%{buildroot}

	# tree cleanup
	# remove static libraries
	find %{buildroot} -name "*.a" -exec rm {} \;
	# remove libtools leftovers
	find %{buildroot} -name "*.la" -exec rm {} \;

	# handle systemd vs init script
	%if %{defined _unitdir}
	# remove init scripts
	rm -rf %{buildroot}/etc/init.d
	%else
	# remove systemd specific bits
	find %{buildroot} -name "*.service" -exec rm {} \;
	%endif

	# remove docs
	rm -rf %{buildroot}/usr/share/doc/kronosnet

	%clean
	rm -rf %{buildroot}

	# main empty package
	%description
	kronosnet source

	%if %{defined buildkronosnetd}
	## Runtime and subpackages section
	%package -n kronosnetd
	Group: System Environment/Base
	Summary: Multipoint-to-Multipoint VPN daemon
	%if %{defined _unitdir}
	# Needed for systemd unit
	Requires(post): systemd-sysv
	Requires(post): systemd-units
	Requires(preun): systemd-units
	Requires(postun): systemd-units
	%else
	Requires(post): chkconfig
	Requires(preun): chkconfig, initscripts
	%endif
	Requires(post): shadow-utils
	Requires(preun): shadow-utils
	Requires: pam, /etc/pam.d/passwd

	%description -n kronosnetd
	The kronosnet daemon is a bridge between kronosnet switching engine
	and kernel network tap devices, to create and administer a
	distributed LAN over multipoint-to-multipoint VPNs.
	The daemon does a poor attempt to provide a configure UI similar
	to other known network devices/tools (Cisco, quagga).
	Beside looking horrific, it allows runtime changes and
	reconfiguration of the kronosnet(s) without daemon reload
	or service disruption.

	%post -n kronosnetd
	%if %{defined _unitdir}
	%if 0%{?systemd_post:1}
	%systemd_post kronosnetd.service
	%else
	/bin/systemctl daemon-reload >/dev/null 2>&1 \|\| :
	%endif
	%else
	/sbin/chkconfig --add kronosnetd
	%endif
	/usr/sbin/groupadd --force --system @defaultadmgroup@

	%preun -n kronosnetd
	%if %{defined _unitdir}
	%if 0%{?systemd_preun:1}
	%systemd_preun kronosnetd.service
	%else
	if [ "$1" -eq 0 ]; then
	/bin/systemctl --no-reload disable kronosnetd.service
	/bin/systemctl stop kronosnetd.service >/dev/null 2>&1
	fi
	%endif
	%else
	if [ "$1" = 0 ]; then
	/sbin/service kronosnetd stop >/dev/null 2>&1
	/sbin/chkconfig --del kronosnetd
	fi
	%endif

	%files -n kronosnetd
	%defattr(-,root,root,-)
	%doc COPYING.* COPYRIGHT
	%dir %{_sysconfdir}/kronosnet
	%dir %{_sysconfdir}/kronosnet/*
	%config(noreplace) %{_sysconfdir}/sysconfig/kronosnetd
	%config(noreplace) %{_sysconfdir}/pam.d/kronosnetd
	%config(noreplace) %{_sysconfdir}/logrotate.d/kronosnetd
	%if %{defined _unitdir}
	%{_unitdir}/kronosnetd.service
	%else
	%config(noreplace) %{_sysconfdir}/rc.d/init.d/kronosnetd
	%endif
	%{_sbindir}/*
	%{_mandir}/man8/*
	%endif

	%if %{defined buildlibtap}
	%package -n libtap0
	Group: System Environment/Libraries
	Summary: Simple userland wrapper around kernel tap devices

	%description -n libtap0
	This is an over-engineered commodity library to manage a pool
	of tap devices and provides the basic
	pre-up.d/up.d/down.d/post-down.d infrastructure.

	%files -n libtap0
	%defattr(-,root,root,-)
	%doc COPYING.* COPYRIGHT
	%{_libdir}/libtap.so.*

	%post -n libtap0 -p /sbin/ldconfig

	%postun -n libtap0 -p /sbin/ldconfig

	%package -n libtap0-devel
	Group: Development/Libraries
	Summary: Simple userland wrapper around kernel tap devices (developer files)
	Requires: libtap0 = %{version}-%{release}
	Requires: pkgconfig

	%description -n libtap0-devel
	This is an over-engineered commodity library to manage a pool
	of tap devices and provides the basic
	pre-up.d/up.d/down.d/post-down.d infrastructure.

	%files -n libtap0-devel
	%defattr(-,root,root,-)
	%doc COPYING.* COPYRIGHT
	%{_libdir}/libtap.so
	%{_includedir}/libtap.h
	%{_libdir}/pkgconfig/libtap.pc
	%endif

	%package -n libknet0
	Group: System Environment/Libraries
	Summary: Kronosnet core switching implementation

	%description -n libknet0
	The whole kronosnet core is implemented in this library.
	Please refer to the not-yet-existing documentation for further
	information.

	%files -n libknet0
	%defattr(-,root,root,-)
	%doc COPYING.* COPYRIGHT
	%{_libdir}/libknet.so.*

	%post -n libknet0 -p /sbin/ldconfig

	%postun -n libknet0 -p /sbin/ldconfig

	%package -n libknet0-devel
	Group: Development/Libraries
	Summary: Kronosnet core switching implementation (developer files)
	Requires: libknet0 = %{version}-%{release}
	Requires: pkgconfig

	%description -n libknet0-devel
	The whole kronosnet core is implemented in this library.
	Please refer to the not-yet-existing documentation for further
	information.

	%files -n libknet0-devel
	%defattr(-,root,root,-)
	%doc COPYING.* COPYRIGHT
	%{_libdir}/libknet.so
	%{_includedir}/libknet.h
	%{_libdir}/pkgconfig/libknet.pc

	%changelog
	* @date@ Autotools generated version <nobody@nowhere.org> - @version@-1-@numcomm@.@alphatag@.@dirty@
	- These aren't the droids you're looking for.

	diff --git a/libknet/Makefile.am b/libknet/Makefile.am
	index b3e9d2e2..d80d3619 100644
	--- a/libknet/Makefile.am
	+++ b/libknet/Makefile.am
	@@ -1,92 +1,94 @@
	#
	# Copyright (C) 2010-2015 Red Hat, Inc. All rights reserved.
	#
	# Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
	# Federico Simoncelli <fsimon@kronosnet.org>
	#
	# This software licensed under GPL-2.0+, LGPL-2.0+
	#

	MAINTAINERCLEANFILES = Makefile.in

	include $(top_srcdir)/build-aux/check.mk

	SYMFILE = libknet_exported_syms

	EXTRA_DIST = $(SYMFILE)

	SUBDIRS = . tests

	libversion = 0:0:0

	# override global LIBS that pulls in lots of craft we don't need here
	LIBS =

	sources = \
	common.c \
	compat.c \
	compress.c \
	compress_zlib.c \
	compress_lz4.c \
	compress_lzo2.c \
	+ compress_lzma.c \
	crypto.c \
	handle.c \
	host.c \
	link.c \
	logging.c \
	netutils.c \
	nsscrypto.c \
	threads_common.c \
	threads_dsthandler.c \
	threads_heartbeat.c \
	threads_pmtud.c \
	threads_rx.c \
	threads_tx.c \
	transport_udp.c \
	transport_sctp.c \
	transport_loopback.c \
	transport_common.c

	include_HEADERS = libknet.h

	pkgconfigdir = $(libdir)/pkgconfig

	pkgconfig_DATA = libknet.pc

	noinst_HEADERS = \
	common.h \
	compat.h \
	compress.h \
	compress_zlib.h \
	compress_lz4.h \
	compress_lzo2.h \
	+ compress_lzma.h \
	crypto.h \
	host.h \
	internals.h \
	link.h \
	logging.h \
	netutils.h \
	nsscrypto.h \
	onwire.h \
	threads_common.h \
	threads_dsthandler.h \
	threads_heartbeat.h \
	threads_pmtud.h \
	threads_rx.h \
	threads_tx.h \
	transports.h

	lib_LTLIBRARIES = libknet.la

	libknet_la_SOURCES = $(sources)

	-libknet_la_CFLAGS = $(nss_CFLAGS) $(zlib_CFLAGS) $(liblz4_CFLAGS)
	+libknet_la_CFLAGS = $(nss_CFLAGS) $(zlib_CFLAGS) $(liblz4_CFLAGS) $(liblzma_CFLAGS)

	EXTRA_libknet_la_DEPENDENCIES = $(SYMFILE)

	libknet_la_LDFLAGS = -Wl,--version-script=$(srcdir)/$(SYMFILE) \
	--export-dynamic \
	-version-number $(libversion)

	-libknet_la_LIBADD = $(nss_LIBS) $(zlib_LIBS) $(liblz4_LIBS) -llzo2 \
	+libknet_la_LIBADD = $(nss_LIBS) $(zlib_LIBS) $(liblz4_LIBS) -llzo2 $(liblzma_LIBS) \
	-lrt -lpthread -lm
	diff --git a/libknet/compress.c b/libknet/compress.c
	index b3b01767..8d0dd740 100644
	--- a/libknet/compress.c
	+++ b/libknet/compress.c
	@@ -1,175 +1,177 @@
	/*
	* Copyright (C) 2010-2017 Red Hat, Inc. All rights reserved.
	*
	* Author: Fabio M. Di Nitto <fabbione@kronosnet.org>
	*
	* This software licensed under GPL-2.0+, LGPL-2.0+
	*/

	#include "config.h"

	#include <stdlib.h>
	#include <string.h>
	#include <errno.h>

	#include "internals.h"
	#include "compress.h"
	#include "logging.h"
	#include "compress_zlib.h"
	#include "compress_lz4.h"
	#include "compress_lzo2.h"
	+#include "compress_lzma.h"

	/*
	* internal module switch data
	*/

	/*
	* DO NOT CHANGE ORDER HERE OR ONWIRE COMPATIBILITY
	* WILL BREAK!
	*
	* always add before the last NULL/NULL/NULL.
	*/

	compress_model_t compress_modules_cmds[] = {
	{ "none", NULL, NULL, NULL, NULL, NULL },
	{ "zlib", NULL, NULL, zlib_val_level, zlib_compress, zlib_decompress },
	{ "lz4", NULL, NULL, lz4_val_level, lz4_compress, lz4_decompress },
	{ "lz4hc", NULL, NULL, lz4hc_val_level, lz4hc_compress, lz4_decompress },
	{ "lzo2", lzo2_init, lzo2_fini, lzo2_val_level, lzo2_compress, lzo2_decompress },
	+ { "lzma", NULL, NULL, lzma_val_level, lzma_compress, lzma_decompress },
	{ NULL, NULL, NULL, NULL, NULL, NULL },
	};

	/*
	* used exclusively by the test suite (see api_knet_send_compress)
	*/
	const char *get_model_by_idx(int idx)
	{
	return compress_modules_cmds[idx].model_name;
	}

	static int get_model(const char *model)
	{
	int idx = 0;

	while (compress_modules_cmds[idx].model_name != NULL) {
	if (!strcmp(compress_modules_cmds[idx].model_name, model))
	return idx;
	idx++;
	}
	return -1;
	}

	static int get_max_model(void)
	{
	int idx = 0;
	while (compress_modules_cmds[idx].model_name != NULL) {
	idx++;
	}
	return idx - 1;
	}

	static int val_level(
	knet_handle_t knet_h,
	int compress_model,
	int compress_level)
	{
	return compress_modules_cmds[compress_model].val_level(knet_h, compress_level);
	}

	int compress_init(
	knet_handle_t knet_h,
	struct knet_handle_compress_cfg *knet_handle_compress_cfg)
	{
	int cmp_model, idx = 0;

	knet_h->compress_max_model = get_max_model();
	if (knet_h->compress_max_model > KNET_MAX_COMPRESS_METHODS) {
	log_err(knet_h, KNET_SUB_COMPRESS, "Too many compress methods supported by compress.c. Please complain to knet developers to fix internals.h KNET_MAX_COMPRESS_METHODS define!");
	errno = EINVAL;
	return -1;
	}
	if (!knet_handle_compress_cfg) {
	while (compress_modules_cmds[idx].model_name != NULL) {
	if (compress_modules_cmds[idx].init != NULL) {
	if (compress_modules_cmds[idx].init(knet_h, idx) < 0) {
	log_err(knet_h, KNET_SUB_COMPRESS, "Failed to initialize %s library", compress_modules_cmds[idx].model_name);
	errno = EINVAL;
	return -1;
	}
	}
	idx++;
	}
	return 0;
	}

	log_debug(knet_h, KNET_SUB_COMPRESS,
	"Initizializing compress module [%s/%d/%u]",
	knet_handle_compress_cfg->compress_model, knet_handle_compress_cfg->compress_level, knet_handle_compress_cfg->compress_threshold);

	cmp_model = get_model(knet_handle_compress_cfg->compress_model);
	if (cmp_model < 0) {
	log_err(knet_h, KNET_SUB_COMPRESS, "compress model %s not supported", knet_handle_compress_cfg->compress_model);
	errno = EINVAL;
	return -1;
	}

	if (cmp_model > 0) {
	if (val_level(knet_h, cmp_model, knet_handle_compress_cfg->compress_level) < 0) {
	log_err(knet_h, KNET_SUB_COMPRESS, "compress level %d not supported for model %s",
	knet_handle_compress_cfg->compress_level, knet_handle_compress_cfg->compress_model);
	errno = EINVAL;
	return -1;
	}
	if (knet_handle_compress_cfg->compress_threshold > KNET_MAX_PACKET_SIZE) {
	log_err(knet_h, KNET_SUB_COMPRESS, "compress threshold cannot be higher than KNET_MAX_PACKET_SIZE (%d).",
	KNET_MAX_PACKET_SIZE);
	errno = EINVAL;
	return -1;
	}
	if (knet_handle_compress_cfg->compress_threshold == 0) {
	knet_h->compress_threshold = KNET_COMPRESS_THRESHOLD;
	log_debug(knet_h, KNET_SUB_COMPRESS, "resetting compression threshold to default (%d)", KNET_COMPRESS_THRESHOLD);
	} else {
	knet_h->compress_threshold = knet_handle_compress_cfg->compress_threshold;
	}
	}

	knet_h->compress_model = cmp_model;
	knet_h->compress_level = knet_handle_compress_cfg->compress_level;

	return 0;
	}

	void compress_fini(
	knet_handle_t knet_h)
	{
	int idx = 0;
	while ((compress_modules_cmds[idx].model_name != NULL) && (idx < KNET_MAX_COMPRESS_METHODS)) {
	if (compress_modules_cmds[idx].fini != NULL) {
	compress_modules_cmds[idx].fini(knet_h, idx);
	}
	idx++;
	}
	return;
	}

	int compress(
	knet_handle_t knet_h,
	const unsigned char *buf_in,
	const ssize_t buf_in_len,
	unsigned char *buf_out,
	ssize_t *buf_out_len)
	{
	return compress_modules_cmds[knet_h->compress_model].compress(knet_h, buf_in, buf_in_len, buf_out, buf_out_len);
	}

	int decompress(
	knet_handle_t knet_h,
	int compress_model,
	const unsigned char *buf_in,
	const ssize_t buf_in_len,
	unsigned char *buf_out,
	ssize_t *buf_out_len)
	{
	return compress_modules_cmds[compress_model].decompress(knet_h, buf_in, buf_in_len, buf_out, buf_out_len);
	}
	diff --git a/libknet/compress_lzma.c b/libknet/compress_lzma.c
	new file mode 100644
	index 00000000..c9ec40bc
	--- /dev/null
	+++ b/libknet/compress_lzma.c
	@@ -0,0 +1,130 @@
	+/*
	+ * Copyright (C) 2010-2017 Red Hat, Inc. All rights reserved.
	+ *
	+ * Author: Fabio M. Di Nitto <fabbione@kronosnet.org>
	+ *
	+ * This software licensed under GPL-2.0+, LGPL-2.0+
	+ */
	+
	+#include "config.h"
	+
	+#include <stdlib.h>
	+#include <string.h>
	+#include <errno.h>
	+#include <lzma.h>
	+
	+#include "internals.h"
	+#include "compress_lzma.h"
	+#include "logging.h"
	+
	+int lzma_val_level(
	+ knet_handle_t knet_h,
	+ int compress_level)
	+{
	+ if ((compress_level < 0) \|\| (compress_level > 9)) {
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma unsupported compression preset %d (accepted values from 0 to 9)", compress_level);
	+ errno = EINVAL;
	+ return -1;
	+ }
	+
	+ return 0;
	+}
	+
	+int lzma_compress(
	+ knet_handle_t knet_h,
	+ const unsigned char *buf_in,
	+ const ssize_t buf_in_len,
	+ unsigned char *buf_out,
	+ ssize_t *buf_out_len)
	+{
	+ int err = 0;
	+ int savederrno = 0;
	+ size_t out_pos = 0;
	+ lzma_ret ret = 0;
	+
	+ ret = lzma_easy_buffer_encode(knet_h->compress_level, LZMA_CHECK_NONE, NULL,
	+ (const uint8_t *)buf_in, buf_in_len,
	+ (uint8_t *)buf_out, &out_pos, KNET_DATABUFSIZE_COMPRESS);
	+
	+ switch(ret) {
	+ case LZMA_OK:
	+ *buf_out_len = out_pos;
	+ break;
	+ case LZMA_MEM_ERROR:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma compress memory allocation failed");
	+ savederrno = ENOMEM;
	+ err = -1;
	+ break;
	+ case LZMA_MEMLIMIT_ERROR:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma compress requires higher memory boundaries (see lzma_memlimit_set)");
	+ savederrno = ENOMEM;
	+ err = -1;
	+ break;
	+ case LZMA_PROG_ERROR:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma compress has been called with incorrect options");
	+ savederrno = EINVAL;
	+ err = -1;
	+ break;
	+ default:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma compress unknown error %u", ret);
	+ savederrno = EINVAL;
	+ err = -1;
	+ break;
	+ }
	+
	+ errno = savederrno;
	+ return err;
	+}
	+
	+int lzma_decompress(
	+ knet_handle_t knet_h,
	+ const unsigned char *buf_in,
	+ const ssize_t buf_in_len,
	+ unsigned char *buf_out,
	+ ssize_t *buf_out_len)
	+{
	+ int err = 0;
	+ int savederrno = 0;
	+ uint64_t memlimit = UINT64_MAX; /* disable lzma internal memlimit check */
	+ size_t out_pos = 0, in_pos = 0;
	+ lzma_ret ret = 0;
	+
	+ ret = lzma_stream_buffer_decode(&memlimit, 0, NULL,
	+ (const uint8_t *)buf_in, &in_pos, buf_in_len,
	+ (uint8_t *)buf_out, &out_pos, KNET_DATABUFSIZE_COMPRESS);
	+
	+ switch(ret) {
	+ case LZMA_OK:
	+ *buf_out_len = out_pos;
	+ break;
	+ case LZMA_MEM_ERROR:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma decompress memory allocation failed");
	+ savederrno = ENOMEM;
	+ err = -1;
	+ break;
	+ case LZMA_MEMLIMIT_ERROR:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma decompress requires higher memory boundaries (see lzma_memlimit_set)");
	+ savederrno = ENOMEM;
	+ err = -1;
	+ break;
	+ case LZMA_DATA_ERROR:
	+ case LZMA_FORMAT_ERROR:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma decompress invalid data received");
	+ savederrno = EINVAL;
	+ err = -1;
	+ break;
	+ case LZMA_PROG_ERROR:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma decompress has been called with incorrect options");
	+ savederrno = EINVAL;
	+ err = -1;
	+ break;
	+ default:
	+ log_err(knet_h, KNET_SUB_LZMACOMP, "lzma decompress unknown error %u", ret);
	+ savederrno = EINVAL;
	+ err = -1;
	+ break;
	+ }
	+
	+ errno = savederrno;
	+ return err;
	+}
	diff --git a/libknet/compress_lzma.h b/libknet/compress_lzma.h
	new file mode 100644
	index 00000000..c820a432
	--- /dev/null
	+++ b/libknet/compress_lzma.h
	@@ -0,0 +1,32 @@
	+/*
	+ * Copyright (C) 2010-2017 Red Hat, Inc. All rights reserved.
	+ *
	+ * Author: Fabio M. Di Nitto <fabbione@kronosnet.org>
	+ *
	+ * This software licensed under GPL-2.0+, LGPL-2.0+
	+ */
	+
	+#ifndef __KNET_COMPRESS_LZMA_H__
	+#define __KNET_COMPRESS_LZMA_H__
	+
	+#include "internals.h"
	+
	+int lzma_val_level(
	+ knet_handle_t knet_h,
	+ int compress_level);
	+
	+int lzma_compress(
	+ knet_handle_t knet_h,
	+ const unsigned char *buf_in,
	+ const ssize_t buf_in_len,
	+ unsigned char *buf_out,
	+ ssize_t *buf_out_len);
	+
	+int lzma_decompress(
	+ knet_handle_t knet_h,
	+ const unsigned char *buf_in,
	+ const ssize_t buf_in_len,
	+ unsigned char *buf_out,
	+ ssize_t *buf_out_len);
	+
	+#endif
	diff --git a/libknet/libknet.h b/libknet/libknet.h
	index 0f002835..ac20abb0 100644
	--- a/libknet/libknet.h
	+++ b/libknet/libknet.h
	@@ -1,1656 +1,1657 @@
	/*
	* Copyright (C) 2010-2015 Red Hat, Inc. All rights reserved.
	*
	* Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
	* Federico Simoncelli <fsimon@kronosnet.org>
	*
	* This software licensed under GPL-2.0+, LGPL-2.0+
	*/

	#ifndef __LIBKNET_H__
	#define __LIBKNET_H__

	#include <stdint.h>
	#include <time.h>
	#include <netinet/in.h>

	/*
	* libknet limits
	*/

	/*
	* Maximum number of hosts
	*/

	typedef uint16_t knet_node_id_t;
	#define KNET_MAX_HOST 65536

	/*
	* Maximum number of links between 2 hosts
	*/

	#define KNET_MAX_LINK 8

	/*
	* Maximum packet size that should be written to datafd
	* see knet_handle_new for details
	*/

	#define KNET_MAX_PACKET_SIZE 65536

	/*
	* Buffers used for pretty logging
	* host is used to store both ip addresses and hostnames
	*/

	#define KNET_MAX_HOST_LEN 256
	#define KNET_MAX_PORT_LEN 6

	/*
	* Some notifications can be generated either on TX or RX
	*/

	#define KNET_NOTIFY_TX 0
	#define KNET_NOTIFY_RX 1


	/*
	* Link flags
	*/

	/*
	* Where possible, set traffic priority to high.
	* On Linux this sets the TOS to INTERACTIVE (6),
	* see tc-prio(8) for more infomation
	*/
	#define KNET_LINK_FLAG_TRAFFICHIPRIO (1ULL << 0)


	typedef struct knet_handle *knet_handle_t;

	/*
	* Handle structs/API calls
	*/

	/*
	* knet_handle_new
	*
	* host_id - Each host in a knet is identified with a unique
	* ID. when creating a new handle local host_id
	* must be specified (0 to UINT16T_MAX are all valid).
	* It is the user's responsibility to check that the value
	* is unique, or bad things might happen.
	*
	* log_fd - Write file descriptor. If set to a value > 0, it will be used
	* to write log packets (see below) from libknet to the application.
	* Setting to 0 will disable logging from libknet.
	* It is possible to enable logging at any given time (see logging API
	* below).
	* Make sure to either read from this filedescriptor properly and/or
	* mark it O_NONBLOCK, otherwise if the fd becomes full, libknet could
	* block.
	*
	* default_log_level -
	* If logfd is specified, it will initialize all subsystems to log
	* at default_log_level value. (see logging API below)
	*
	* on success, a new knet_handle_t is returned.
	* on failure, NULL is returned and errno is set.
	*/

	knet_handle_t knet_handle_new(knet_node_id_t host_id,
	int log_fd,
	uint8_t default_log_level);

	/*
	* knet_handle_free
	*
	* knet_h - pointer to knet_handle_t
	*
	* Destroy a knet handle, free all resources
	*
	* knet_handle_free returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_handle_free(knet_handle_t knet_h);

	/*
	* knet_handle_enable_sock_notify
	*
	* knet_h - pointer to knet_handle_t
	*
	* sock_notify_fn_private_data
	* void pointer to data that can be used to identify
	* the callback.
	*
	* sock_notify_fn
	* A callback function that is invoked every time
	* a socket in the datafd pool will report an error (-1)
	* or an end of read (0) (see socket.7).
	* This function MUST NEVER block or add substantial delays.
	* The callback is invoked in an internal unlocked area
	* to allow calls to knet_handle_add_datafd/knet_handle_remove_datafd
	* to swap/replace the bad fd.
	* if both err and errno are 0, it means that the socket
	* has received a 0 byte packet (EOF?).
	* The callback function must either remove the fd from knet
	* (by calling knet_handle_remove_fd()) or dup a new fd in its place.
	* Failure to do this can cause problems.
	*
	* knet_handle_enable_sock_notify returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_handle_enable_sock_notify(knet_handle_t knet_h,
	void *sock_notify_fn_private_data,
	void (*sock_notify_fn) (
	void *private_data,
	int datafd,
	int8_t channel,
	uint8_t tx_rx,
	int error,
	int errorno)); /* sorry! can't call it errno ;) */

	/*
	* knet_handle_add_datafd
	*
	* IMPORTANT: In order to add datafd to knet, knet_handle_enable_sock_notify
	* _MUST_ be set and be able to handle both errors (-1) and
	* 0 bytes read / write from the provided datafd.
	* On read error (< 0) from datafd, the socket is automatically
	* removed from polling to avoid spinning on dead sockets.
	* It is safe to call knet_handle_remove_datafd even on sockets
	* that have been removed.
	*
	* knet_h - pointer to knet_handle_t
	*
	* *datafd - read/write file descriptor.
	* knet will read data here to send to the other hosts
	* and will write data received from the network.
	* Each data packet can be of max size KNET_MAX_PACKET_SIZE!
	* Applications using knet_send/knet_recv will receive a
	* proper error if the packet size is not within boundaries.
	* Applications using their own functions to write to the
	* datafd should NOT write more than KNET_MAX_PACKET_SIZE.
	*
	* Please refer to handle.c on how to set up a socketpair.
	*
	* datafd can be 0, and knet_handle_add_datafd will create a properly
	* populated socket pair the same way as ping_test, or a value
	* higher than 0. A negative number will return an error.
	* On exit knet_handle_free will take care to cleanup the
	* socketpair only if they have been created by knet_handle_add_datafd.
	*
	* It is possible to pass either sockets or normal fds.
	* User provided datafd will be marked as non-blocking and close-on-exit.
	*
	* *channel - This value has the same effect of VLAN tagging.
	* A negative value will auto-allocate a channel.
	* Setting a value between 0 and 31 will try to allocate that
	* specific channel (unless already in use).
	*
	* It is possible to add up to 32 datafds but be aware that each
	* one of them must have a receiving end on the other host.
	*
	* Example:
	* hostA channel 0 will be delivered to datafd on hostB channel 0
	* hostA channel 1 to hostB channel 1.
	*
	* Each channel must have a unique file descriptor.
	*
	* If your application could have 2 channels on one host and one
	* channel on another host, then you can use dst_host_filter
	* to manipulate channel values on TX and RX.
	*
	* knet_handle_add_datafd returns:
	*
	* 0 on success
	* *datafd will be populated with a socket if the original value was 0
	* or if a specific fd was set, the value is untouched.
	* *channel will be populated with a channel number if the original value
	* was negative or the value is untouched if a specific channel
	* was requested.
	*
	* -1 on error and errno is set.
	* datafd and channel are untouched or empty.
	*/

	#define KNET_DATAFD_MAX 32

	int knet_handle_add_datafd(knet_handle_t knet_h, int datafd, int8_t channel);

	/*
	* knet_handle_remove_datafd
	*
	* knet_h - pointer to knet_handle_t
	*
	* datafd - file descriptor to remove.
	* NOTE that if the socket/fd was created by knet_handle_add_datafd,
	* the socket will be closed by libknet.
	*
	* knet_handle_remove_datafd returns:
	*
	* 0 on success
	*
	* -1 on error and errno is set.
	*/

	int knet_handle_remove_datafd(knet_handle_t knet_h, int datafd);

	/*
	* knet_handle_get_channel
	*
	* knet_h - pointer to knet_handle_t
	*
	* datafd - get the channel associated to this datafd
	*
	* *channel - will contain the result
	*
	* knet_handle_get_channel returns:
	*
	* 0 on success
	* and *channel will contain the result
	*
	* -1 on error and errno is set.
	* and *channel content is meaningless
	*/

	int knet_handle_get_channel(knet_handle_t knet_h, const int datafd, int8_t *channel);

	/*
	* knet_handle_get_datafd
	*
	* knet_h - pointer to knet_handle_t
	*
	* channel - get the datafd associated to this channel
	*
	* *datafd - will contain the result
	*
	* knet_handle_get_datafd returns:
	*
	* 0 on success
	* and *datafd will contain the results
	*
	* -1 on error and errno is set.
	* and *datafd content is meaningless
	*/

	int knet_handle_get_datafd(knet_handle_t knet_h, const int8_t channel, int *datafd);

	/*
	* knet_recv
	*
	* knet_h - pointer to knet_handle_t
	*
	* buff - pointer to buffer to store the received data
	*
	* buff_len - buffer lenght
	*
	* knet_recv is a commodity function to wrap iovec operations
	* around a socket. It returns a call to readv(2).
	*/

	ssize_t knet_recv(knet_handle_t knet_h,
	char *buff,
	const size_t buff_len,
	const int8_t channel);

	/*
	* knet_send
	*
	* knet_h - pointer to knet_handle_t
	*
	* buff - pointer to the buffer of data to send
	*
	* buff_len - length of data to send
	*
	* knet_send is a commodity function to wrap iovec operations
	* around a socket. It returns a call to writev(2).
	*/

	ssize_t knet_send(knet_handle_t knet_h,
	const char *buff,
	const size_t buff_len,
	const int8_t channel);

	/*
	* knet_send_sync
	*
	* knet_h - pointer to knet_handle_t
	*
	* buff - pointer to the buffer of data to send
	*
	* buff_len - length of data to send
	*
	* channel - data channel to use (see knet_handle_add_datafd)
	*
	* All knet RX/TX operations are async for performance reasons.
	* There are applications that might need a sync version of data
	* transmission and receive errors in case of failure to deliver
	* to another host.
	* knet_send_sync bypasses the whole TX async layer and delivers
	* data directly to the link layer, and returns errors accordingly.
	* knet_send_sync allows to send only one packet to one host at
	* a time. It does NOT support multiple destinations or multicast
	* packets. Decision is still based on dst_host_filter_fn.
	*
	* knet_send_sync returns 0 on success and -1 on error.
	*
	* In addition to normal sendmmsg errors, knet_send_sync can fail
	* due to:
	*
	* ECANCELED - data forward is disabled
	* EFAULT - dst_host_filter fatal error
	* EINVAL - dst_host_filter did not provide
	* dst_host_ids_entries on unicast pckts
	* E2BIG - dst_host_filter did return more than one
	* dst_host_ids_entries on unicast pckts
	* ENOMSG - received unknown message type
	* EHOSTDOWN - unicast pckt cannot be delivered because
	* dest host is not connected yet
	* ECHILD - crypto failed
	* EAGAIN - sendmmsg was unable to send all messages and
	* there was no progress during retry
	*/

	int knet_send_sync(knet_handle_t knet_h,
	const char *buff,
	const size_t buff_len,
	const int8_t channel);

	/*
	* knet_handle_enable_filter
	*
	* knet_h - pointer to knet_handle_t
	*
	* dst_host_filter_fn_private_data
	* void pointer to data that can be used to identify
	* the callback.
	*
	* dst_host_filter_fn -
	* is a callback function that is invoked every time
	* a packet hits datafd (see knet_handle_new).
	* the function allows users to tell libknet where the
	* packet has to be delivered.
	*
	* const unsigned char *outdata - is a pointer to the
	* current packet
	* ssize_t outdata_len - lenght of the above data
	* uint8_t tx_rx - filter is called on tx or rx
	* (see defines below)
	* knet_node_id_t this_host_id - host_id processing the packet
	* knet_node_id_t src_host_id - host_id that generated the
	* packet
	* knet_node_id_t *dst_host_ids - array of KNET_MAX_HOST knet_node_id_t
	* where to store the destinations
	* size_t *dst_host_ids_entries - number of hosts to send the message
	*
	* dst_host_filter_fn should return
	* -1 on error, packet is discarded.
	* 0 packet is unicast and should be sent to dst_host_ids and there are
	* dst_host_ids_entries in the buffer.
	* 1 packet is broadcast/multicast and is sent all hosts.
	* contents of dst_host_ids and dst_host_ids_entries are ignored.
	* (see also kronosnetd/etherfilter.* for an example that filters based
	* on ether protocol)
	*
	* knet_handle_enable_filter returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_handle_enable_filter(knet_handle_t knet_h,
	void *dst_host_filter_fn_private_data,
	int (*dst_host_filter_fn) (
	void *private_data,
	const unsigned char *outdata,
	ssize_t outdata_len,
	uint8_t tx_rx,
	knet_node_id_t this_host_id,
	knet_node_id_t src_host_id,
	int8_t *channel,
	knet_node_id_t *dst_host_ids,
	size_t *dst_host_ids_entries));

	/*
	* knet_handle_setfwd
	*
	* knet_h - pointer to knet_handle_t
	*
	* enable - set to 1 to allow data forwarding, 0 to disable data forwarding.
	*
	* knet_handle_setfwd returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*
	* By default data forwarding is off and no traffic will pass through knet until
	* it is set on.
	*/

	int knet_handle_setfwd(knet_handle_t knet_h, unsigned int enabled);

	/*
	* knet_handle_pmtud_setfreq
	*
	* knet_h - pointer to knet_handle_t
	*
	* interval - define the interval in seconds between PMTUd scans
	* range from 1 to 86400 (24h)
	*
	* knet_handle_pmtud_setfreq returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*
	* default interval is 60.
	*/

	#define KNET_PMTUD_DEFAULT_INTERVAL 60

	int knet_handle_pmtud_setfreq(knet_handle_t knet_h, unsigned int interval);

	/*
	* knet_handle_pmtud_getfreq
	*
	* knet_h - pointer to knet_handle_t
	*
	* interval - pointer where to store the current interval value
	*
	* knet_handle_pmtud_setfreq returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/


	int knet_handle_pmtud_getfreq(knet_handle_t knet_h, unsigned int *interval);

	/*
	* knet_handle_enable_pmtud_notify
	*
	* knet_h - pointer to knet_handle_t
	*
	* pmtud_notify_fn_private_data
	* void pointer to data that can be used to identify
	* the callback.
	*
	* pmtud_notify_fn
	* is a callback function that is invoked every time
	* a path MTU size change is detected.
	* The function allows libknet to notify the user
	* of data MTU, that's the max value that can be send
	* onwire without fragmentation. The data MTU will always
	* be lower than real link MTU because it accounts for
	* protocol overhead, knet packet header and (if configured)
	* crypto overhead,
	* This function MUST NEVER block or add substantial delays.
	*
	* knet_handle_enable_pmtud_notify returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_handle_enable_pmtud_notify(knet_handle_t knet_h,
	void *pmtud_notify_fn_private_data,
	void (*pmtud_notify_fn) (
	void *private_data,
	unsigned int data_mtu));

	/*
	* knet_handle_pmtud_get
	*
	* knet_h - pointer to knet_handle_t
	*
	* data_mtu - pointer where to store data_mtu (see above)
	*
	* knet_handle_pmtud_get returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_handle_pmtud_get(knet_handle_t knet_h,
	unsigned int *data_mtu);

	/*
	* knet_handle_crypto
	*
	* knet_h - pointer to knet_handle_t
	*
	* knet_handle_crypto_cfg -
	* pointer to a knet_handle_crypto_cfg structure
	*
	* crypto_model should contain the model name.
	* Currently only "nss" is supported.
	* Setting to "none" will disable crypto.
	*
	* crypto_cipher_type
	* should contain the cipher algo name.
	* It can be set to "none" to disable
	* encryption.
	* Currently supported by "nss" model:
	* "3des", "aes128", "aes192" and "aes256".
	*
	* crypto_hash_type
	* should contain the hashing algo name.
	* It can be set to "none" to disable
	* hashing.
	* Currently supported by "nss" model:
	* "md5", "sha1", "sha256", "sha384" and "sha512".
	*
	* private_key will contain the private shared key.
	* It has to be at least KNET_MIN_KEY_LEN long.
	*
	* private_key_len
	* length of the provided private_key.
	*
	* Implementation notes/current limitations:
	* - enabling crypto, will increase latency as packets have
	* to processed.
	* - enabling crypto might reduce the overall throughtput
	* due to crypto data overhead.
	* - re-keying is not implemented yet.
	* - private/public key encryption/hashing is not currently
	* planned.
	* - crypto key must be the same for all hosts in the same
	* knet instance.
	* - it is safe to call knet_handle_crypto multiple times at runtime.
	* The last config will be used.
	* IMPORTANT: a call to knet_handle_crypto can fail due to:
	* 1) failure to obtain locking
	* 2) errors to initializing the crypto level.
	* This can happen even in subsequent calls to knet_handle_crypto.
	* A failure in crypto init, might leave your traffic unencrypted!
	* It's best to stop data forwarding (see above), change crypto config,
	* start forward again.
	*
	* knet_handle_crypto returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	* -2 on crypto subsystem initialization error. No errno is provided at the moment (yet).
	*/

	#define KNET_MIN_KEY_LEN 256
	#define KNET_MAX_KEY_LEN 4096

	struct knet_handle_crypto_cfg {
	char crypto_model[16];
	char crypto_cipher_type[16];
	char crypto_hash_type[16];
	unsigned char private_key[KNET_MAX_KEY_LEN];
	unsigned int private_key_len;
	};

	int knet_handle_crypto(knet_handle_t knet_h,
	struct knet_handle_crypto_cfg *knet_handle_crypto_cfg);

	/*
	* knet_handle_compress
	*
	* knet_h - pointer to knet_handle_t
	*
	* knet_handle_compress_cfg -
	* pointer to a knet_handle_compress_cfg structure
	*
	* compress_model should contain the mode name.
	* Currently only "zlib" and "lz4" are supported.
	* Setting to "none" will disable compress.
	*
	* compress_threshold
	* tells the transmission thread to NOT compress
	* any packets that are smaller than the value
	* indicated. Default 100 bytes.
	* Set to 0 to reset to the default.
	* Set to 1 to compress everything.
	* Max accepted value is KNET_MAX_PACKET_SIZE.
	*
	* compress_level some compression libraries allows tuning of compression
	* parameters.
	* For example zlib value ranges from 0 to 9 where 0 is no
	* compression and 9 is max compression.
	* This value is passed pristine to the compression library.
	* zlib: 0 (no compression), 1 (minimal) .. 9 (max compression).
	* lz4: 1 (max compression)... 9 (fastest compression).
	* lz4hc: 1 (min compression) ... LZ4HC_MAX_CLEVEL (16) or LZ4HC_CLEVEL_MAX (12)
	* depends on the installed version of lz4hc. libknet can detects the max
	* value and will print an appropriate warning.
	* lzo2: accepts only some specific values depending on the
	* requested algorithm:
	* 1 : lzo1x_1_compress (default)
	* 11 : lzo1x_1_11_compress
	* 12 : lzo1x_1_12_compress
	* 15 : lzo1x_1_15_compress
	* 999: lzo1x_999_compress
	* every other values will use default
	* Please refere to the library man pages
	* on how to be set this value, as it is passed
	* unmodified to the compression algorithm where supported.
	*
	* Implementation notes:
	* - it is possible to enable/disable compression at any time.
	* - nodes can be using different compression algorithm at any time.
	* - knet does NOT implement compression algorithm directly. it relies
	* on external libraries for this functionality. Please read
	* the libraries man pages to figure out which algorithm/compression
	* level is best for the data you are planning to transmit.
	*
	* knet_handle_compress returns:
	*
	* 0 on success
	* -1 on error and errno is set. EINVAL means that either the model or the
	* level are not supported.
	*/

	#define KNET_COMPRESS_THRESHOLD 100

	struct knet_handle_compress_cfg {
	char compress_model[16];
	uint32_t compress_threshold;
	int compress_level;
	};

	int knet_handle_compress(knet_handle_t knet_h,
	struct knet_handle_compress_cfg *knet_handle_compress_cfg);

	/*
	* host structs/API calls
	*/

	/*
	* knet_host_add
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - each host in a knet is identified with a unique ID
	* (see also knet_handle_new documentation above)
	*
	* knet_host_add returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_add(knet_handle_t knet_h, knet_node_id_t host_id);

	/*
	* knet_host_remove
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - each host in a knet is identified with a unique ID
	* (see also knet_handle_new documentation above)
	*
	* knet_host_remove returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_remove(knet_handle_t knet_h, knet_node_id_t host_id);

	/*
	* knet_host_set_name
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* name - this name will be used for pretty logging and eventually
	* search for hosts (see also get_name and get_id below).
	* Only up to KNET_MAX_HOST_LEN - 1 bytes will be accepted and
	* name has to be unique for each host.
	*
	* knet_host_set_name returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_set_name(knet_handle_t knet_h, knet_node_id_t host_id,
	const char *name);

	/*
	* knet_host_get_name_by_host_id
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* name - pointer to a preallocated buffer of at least size KNET_MAX_HOST_LEN
	* where the current host name will be stored
	* (as set by knet_host_set_name or default by knet_host_add)
	*
	* knet_host_get_name_by_host_id returns:
	*
	* 0 on success
	* -1 on error and errno is set (name is left untouched)
	*/

	int knet_host_get_name_by_host_id(knet_handle_t knet_h, knet_node_id_t host_id,
	char *name);

	/*
	* knet_host_get_id_by_host_name
	*
	* knet_h - pointer to knet_handle_t
	*
	* name - name to lookup, max len KNET_MAX_HOST_LEN
	*
	* host_id - where to store the result
	*
	* knet_host_get_id_by_host_name returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_get_id_by_host_name(knet_handle_t knet_h, const char *name,
	knet_node_id_t *host_id);

	/*
	* knet_host_get_host_list
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_ids - array of at lest KNET_MAX_HOST size
	*
	* host_ids_entries -
	* number of entries writted in host_ids
	*
	* knet_host_get_host_list returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_get_host_list(knet_handle_t knet_h,
	knet_node_id_t host_ids, size_t host_ids_entries);

	/*
	* define switching policies
	*/

	#define KNET_LINK_POLICY_PASSIVE 0
	#define KNET_LINK_POLICY_ACTIVE 1
	#define KNET_LINK_POLICY_RR 2

	/*
	* knet_host_set_policy
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* policy - there are currently 3 kind of simple switching policies
	* as defined above, based on link configuration.
	* KNET_LINK_POLICY_PASSIVE - the active link with the lowest
	* priority will be used.
	* if one or more active links share
	* the same priority, the one with
	* lowest link_id will be used.
	*
	* KNET_LINK_POLICY_ACTIVE - all active links will be used
	* simultaneously to send traffic.
	* link priority is ignored.
	*
	* KNET_LINK_POLICY_RR - round-robin policy, every packet
	* will be send on a different active
	* link.
	*
	* knet_host_set_policy returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_set_policy(knet_handle_t knet_h, knet_node_id_t host_id,
	uint8_t policy);

	/*
	* knet_host_get_policy
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* policy - will contain the current configured switching policy.
	* Default is passive when creating a new host.
	*
	* knet_host_get_policy returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_get_policy(knet_handle_t knet_h, knet_node_id_t host_id,
	uint8_t *policy);

	/*
	* knet_host_enable_status_change_notify
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_status_change_notify_fn_private_data
	* void pointer to data that can be used to identify
	* the callback.
	*
	* host_status_change_notify_fn
	* is a callback function that is invoked every time
	* there is a change in the host status.
	* host status is identified by:
	* - reachable, this host can send/receive data to/from host_id
	* - remote, 0 if the host_id is connected locally or 1 if
	* the there is one or more knet host(s) in between.
	* NOTE: re-switching is NOT currently implemented,
	* but this is ready for future and can avoid
	* an API/ABI breakage later on.
	* - external, 0 if the host_id is configured locally or 1 if
	* it has been added from remote nodes config.
	* NOTE: dynamic topology is NOT currently implemented,
	* but this is ready for future and can avoid
	* an API/ABI breakage later on.
	* This function MUST NEVER block or add substantial delays.
	*
	* knet_host_status_change_notify returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_enable_status_change_notify(knet_handle_t knet_h,
	void *host_status_change_notify_fn_private_data,
	void (*host_status_change_notify_fn) (
	void *private_data,
	knet_node_id_t host_id,
	uint8_t reachable,
	uint8_t remote,
	uint8_t external));

	/*
	* define host status structure for quick lookup
	* struct is in flux as more stats will be added soon
	*
	* reachable host_id can be seen either directly connected
	* or via another host_id
	*
	* remote 0 = node is connected locally, 1 is visible via
	* via another host_id
	*
	* external 0 = node is configured/known locally,
	* 1 host_id has been received via another host_id
	*/

	struct knet_host_status {
	uint8_t reachable;
	uint8_t remote;
	uint8_t external;
	/* add host statistics */
	};

	/*
	* knet_host_status_get
	*
	* knet_h - pointer to knet_handle_t
	*
	* status - pointer to knet_host_status struct (see above)
	*
	* knet_handle_pmtud_get returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_host_get_status(knet_handle_t knet_h, knet_node_id_t host_id,
	struct knet_host_status *status);

	/*
	* link structs/API calls
	*
	* every host allocated/managed by knet_host_* has
	* KNET_MAX_LINK structures to define the network
	* paths that connect 2 hosts.
	*
	* Each link is identified by a link_id that has a
	* values between 0 and KNET_MAX_LINK - 1.
	*
	* KNOWN LIMITATIONS:
	*
	* - let's assume the scenario where two hosts are connected
	* with any number of links. link_id must match on both sides.
	* If host_id 0 link_id 0 is configured to connect IP1 to IP2 and
	* host_id 0 link_id 1 is configured to connect IP3 to IP4,
	* host_id 1 link_id 0 _must_ connect IP2 to IP1 and likewise
	* host_id 1 link_id 1 _must_ connect IP4 to IP3.
	* We might be able to lift this restriction in future, by using
	* other data to determine src/dst link_id, but for now, deal with it.
	*/

	/*
	* commodity functions to convert strings to sockaddr and viceversa
	*/

	/*
	* knet_strtoaddr
	*
	* host - IPaddr/hostname to convert
	* be aware only the first IP address will be returned
	* in case a hostname resolves to multiple IP
	*
	* port - port to connect to
	*
	* ss - sockaddr_storage where to store the converted data
	*
	* sslen - len of the sockaddr_storage
	*
	* knet_strtoaddr returns same error codes as getaddrinfo
	*
	*/

	int knet_strtoaddr(const char host, const char port,
	struct sockaddr_storage *ss, socklen_t sslen);

	/*
	* knet_addrtostr
	*
	* ss - sockaddr_storage to convert
	*
	* sslen - len of the sockaddr_storage
	*
	* host - IPaddr/hostname where to store data
	* (recommended size: KNET_MAX_HOST_LEN)
	*
	* port - port buffer where to store data
	* (recommended size: KNET_MAX_PORT_LEN)
	*
	* knet_strtoaddr returns same error codes as getnameinfo
	*/

	int knet_addrtostr(const struct sockaddr_storage *ss, socklen_t sslen,
	char *addr_buf, size_t addr_buf_size,
	char *port_buf, size_t port_buf_size);

	/*
	* knet_handle_get_transport_list
	*
	* knet_h - pointer to knet_handle_t
	*
	* transport_list - an array of struct transport_info that must be
	* at least of size struct transport_info * KNET_MAX_TRANSPORTS
	*
	* transport_list_entries - pointer to a size_t where to store how many transports
	* are available in this build of libknet.
	*
	* knet_handle_get_transport_list returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	#define KNET_TRANSPORT_LOOPBACK 0
	#define KNET_TRANSPORT_UDP 1
	#define KNET_TRANSPORT_SCTP 2
	#define KNET_MAX_TRANSPORTS 3

	/*
	* The Loopback transport is only valid for connections to localhost, the host
	* with the same node_id specified in knet_handle_new(). Only one link of this
	* type is allowed. Data sent down a LOOPBACK link will be copied directly from
	* the knet send datafd to the knet receive datafd so the application must be set
	* up to take data from that socket at least as often as it is sent or deadlocks
	* could occur. If used, a LOOPBACK link must be the only link configured to the
	* local host.
	*/

	struct transport_info {
	const char name; / UDP/SCTP/etc... */
	uint8_t id; /* value that can be used for link_set_config */
	uint8_t properties; /* currently unused */
	};

	int knet_handle_get_transport_list(knet_handle_t knet_h,
	struct transport_info transport_list, size_t transport_list_entries);

	/*
	* knet_handle_get_transport_name_by_id
	*
	* knet_h - pointer to knet_handle_t
	*
	* transport - one of the above KNET_TRANSPORT_xxx constants
	*
	* knet_handle_get_transport_name_by_id returns:
	*
	* pointer to the name on success or
	* NULL on error and errno is set.
	*/

	const char *knet_handle_get_transport_name_by_id(knet_handle_t knet_h, uint8_t transport);

	/*
	* knet_handle_get_transport_id_by_name
	*
	* knet_h - pointer to knet_handle_t
	*
	* name - transport name (UDP/SCTP/etc)
	*
	* knet_handle_get_transport_name_by_id returns:
	*
	* KNET_MAX_TRANSPORTS on error and errno is set accordingly
	* KNET_TRANSPORT_xxx on success.
	*/

	uint8_t knet_handle_get_transport_id_by_name(knet_handle_t knet_h, const char *name);

	/*
	* knet_handle_set_transport_reconnect_interval
	*
	* knet_h - pointer to knet_handle_t
	*
	* msecs - milliseconds
	*
	* knet_handle_set_transport_reconnect_interval returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	#define KNET_TRANSPORT_DEFAULT_RECONNECT_INTERVAL 1000

	int knet_handle_set_transport_reconnect_interval(knet_handle_t knet_h, uint32_t msecs);

	/*
	* knet_handle_get_transport_reconnect_interval
	*
	* knet_h - pointer to knet_handle_t
	*
	* msecs - milliseconds
	*
	* knet_handle_get_transport_reconnect_interval returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_handle_get_transport_reconnect_interval(knet_handle_t knet_h, uint32_t *msecs);

	/*
	* knet_link_set_config
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* transport - one of the above KNET_TRANSPORT_xxx constants
	*
	* src_addr - sockaddr_storage that can be either IPv4 or IPv6
	*
	* dst_addr - sockaddr_storage that can be either IPv4 or IPv6
	* this can be null if we don't know the incoming
	* IP address/port and the link will remain quiet
	* till the node on the other end will initiate a
	* connection
	*
	* flags - KNET_LINK_FLAG_*
	*
	* knet_link_set_config returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_set_config(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	uint8_t transport,
	struct sockaddr_storage *src_addr,
	struct sockaddr_storage *dst_addr,
	uint64_t flags);

	/*
	* knet_link_get_config
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* transport - see above
	*
	* src_addr - sockaddr_storage that can be either IPv4 or IPv6
	*
	* dst_addr - sockaddr_storage that can be either IPv4 or IPv6
	*
	* dynamic - 0 if dst_addr is static or 1 if dst_addr is dynamic.
	* In case of 1, dst_addr can be NULL and it will be left
	* untouched.
	*
	* flags - KNET_LINK_FLAG_*
	*
	* knet_link_get_config returns:
	*
	* 0 on success.
	* -1 on error and errno is set.
	*/

	int knet_link_get_config(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	uint8_t *transport,
	struct sockaddr_storage *src_addr,
	struct sockaddr_storage *dst_addr,
	uint8_t *dynamic,
	uint64_t *flags);

	/*
	* knet_link_clear_config
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* knet_link_clear_config returns:
	*
	* 0 on success.
	* -1 on error and errno is set.
	*/

	int knet_link_clear_config(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id);

	/*
	* knet_link_set_enable
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* enabled - 0 disable the link, 1 enable the link
	*
	* knet_link_set_enable returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_set_enable(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	unsigned int enabled);

	/*
	* knet_link_get_enable
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* enabled - 0 disable the link, 1 enable the link
	*
	* knet_link_get_enable returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_get_enable(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	unsigned int *enabled);

	/*
	* knet_link_set_ping_timers
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* interval - specify the ping interval
	*
	* timeout - if no pong is received within this time,
	* the link is declared dead
	*
	* precision - how many values of latency are used to calculate
	* the average link latency (see also get_status below)
	*
	* knet_link_set_ping_timers returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	#define KNET_LINK_DEFAULT_PING_INTERVAL 1000 /* 1 second */
	#define KNET_LINK_DEFAULT_PING_TIMEOUT 2000 /* 2 seconds */
	#define KNET_LINK_DEFAULT_PING_PRECISION 2048 /* samples */

	int knet_link_set_ping_timers(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	time_t interval, time_t timeout, unsigned int precision);

	/*
	* knet_link_get_ping_timers
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* interval - ping intervall
	*
	* timeout - if no pong is received within this time,
	* the link is declared dead
	*
	* precision - how many values of latency are used to calculate
	* the average link latency (see also get_status below)
	*
	* knet_link_get_ping_timers returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_get_ping_timers(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	time_t interval, time_t timeout, unsigned int *precision);

	/*
	* knet_link_set_pong_count
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* pong_count - how many valid ping/pongs before a link is marked UP.
	* default: 5, value should be > 0
	*
	* knet_link_set_pong_count returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	#define KNET_LINK_DEFAULT_PONG_COUNT 5

	int knet_link_set_pong_count(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	uint8_t pong_count);

	/*
	* knet_link_get_pong_count
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* pong_count - see above
	*
	* knet_link_get_pong_count returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_get_pong_count(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	uint8_t *pong_count);

	/*
	* knet_link_set_priority
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* priority - specify the switching priority for this link
	* see also knet_host_set_policy
	*
	* knet_link_set_priority returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_set_priority(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	uint8_t priority);

	/*
	* knet_link_get_priority
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* priority - gather the switching priority for this link
	* see also knet_host_set_policy
	*
	* knet_link_get_priority returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_get_priority(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	uint8_t *priority);

	/*
	* knet_link_get_link_list
	*
	* knet_h - pointer to knet_handle_t
	*
	* link_ids - array of at lest KNET_MAX_LINK size
	* with the list of configured links for a certain host.
	*
	* link_ids_entries -
	* number of entries contained in link_ids
	*
	* knet_link_get_link_list returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_get_link_list(knet_handle_t knet_h, knet_node_id_t host_id,
	uint8_t link_ids, size_t link_ids_entries);

	/*
	* define link status structure for quick lookup
	*
	* src/dst_{ipaddr,port} strings are filled by
	* getnameinfo(3) when configuring the link.
	* if the link is dynamic (see knet_link_set_config)
	* dst_ipaddr/port will contain ipaddr/port of the currently
	* connected peer or "Unknown" if it was not possible
	* to determine the ipaddr/port at runtime.
	*
	* enabled see also knet_link_set/get_enable.
	*
	* connected the link is connected to a peer and ping/pong traffic
	* is flowing.
	*
	* dynconnected the link has dynamic ip on the other end, and
	* we can see the other host is sending pings to us.
	*
	* latency average latency of this link
	* see also knet_link_set/get_timeout.
	*
	* pong_last if the link is down, this value tells us how long
	* ago this link was active. A value of 0 means that the link
	* has never been active.
	*
	* knet_link_stats structure that contains details statistics for the link
	*/

	#define MAX_LINK_EVENTS 16
	struct knet_link_stats {
	/* onwire values */
	uint64_t tx_data_packets;
	uint64_t rx_data_packets;
	uint64_t tx_data_bytes;
	uint64_t rx_data_bytes;
	uint64_t rx_ping_packets;
	uint64_t tx_ping_packets;
	uint64_t rx_ping_bytes;
	uint64_t tx_ping_bytes;
	uint64_t rx_pong_packets;
	uint64_t tx_pong_packets;
	uint64_t rx_pong_bytes;
	uint64_t tx_pong_bytes;
	uint64_t rx_pmtu_packets;
	uint64_t tx_pmtu_packets;
	uint64_t rx_pmtu_bytes;
	uint64_t tx_pmtu_bytes;

	/* Only filled in when requested */
	uint64_t tx_total_packets;
	uint64_t rx_total_packets;
	uint64_t tx_total_bytes;
	uint64_t rx_total_bytes;
	uint64_t tx_total_errors;
	uint64_t tx_total_retries;

	uint32_t tx_pmtu_errors;
	uint32_t tx_pmtu_retries;
	uint32_t tx_ping_errors;
	uint32_t tx_ping_retries;
	uint32_t tx_pong_errors;
	uint32_t tx_pong_retries;
	uint32_t tx_data_errors;
	uint32_t tx_data_retries;

	/* measured in usecs */
	uint32_t latency_min;
	uint32_t latency_max;
	uint32_t latency_ave;
	uint32_t latency_samples;

	/* how many times the link has been going up/down */
	uint32_t down_count;
	uint32_t up_count;

	/*
	* circular buffer of time_t structs collecting the history
	* of up/down events on this link.
	* the index indicates current/last event.
	* it is safe to walk back the history by decreasing the index
	*/
	time_t last_up_times[MAX_LINK_EVENTS];
	time_t last_down_times[MAX_LINK_EVENTS];
	int8_t last_up_time_index;
	int8_t last_down_time_index;
	/* Always add new stats at the end */
	};

	struct knet_link_status {
	size_t size; /* For ABI checking */
	char src_ipaddr[KNET_MAX_HOST_LEN];
	char src_port[KNET_MAX_PORT_LEN];
	char dst_ipaddr[KNET_MAX_HOST_LEN];
	char dst_port[KNET_MAX_PORT_LEN];
	uint8_t enabled; /* link is configured and admin enabled for traffic */
	uint8_t connected; /* link is connected for data (local view) */
	uint8_t dynconnected; /* link has been activated by remote dynip */
	unsigned long long latency; /* average latency computed by fix/exp */
	struct timespec pong_last;
	unsigned int mtu; /* current detected MTU on this link */
	unsigned int proto_overhead; /* contains the size of the IP protocol, knet headers and
	* crypto headers (if configured). This value is filled in
	* ONLY after the first PMTUd run on that given link,
	* and can change if link configuration or crypto configuration
	* changes at runtime.
	* WARNING: in general mtu + proto_overhead might or might
	* not match the output of ifconfig mtu due to crypto
	* requirements to pad packets to some specific boundaries. */
	/* Link statistics */
	struct knet_link_stats stats;
	};

	/*
	* knet_link_get_status
	*
	* knet_h - pointer to knet_handle_t
	*
	* host_id - see above
	*
	* link_id - see above
	*
	* status - pointer to knet_link_status struct (see above)
	*
	* struct_size - max size of knet_link_status - allows library to
	* add fields without ABI change. Returned structure
	* will be truncated to this length and .size member
	* indicates the full size.
	*
	* knet_link_get_status returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_link_get_status(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
	struct knet_link_status *status, size_t struct_size);

	/*
	* logging structs/API calls
	*/

	/*
	* libknet is composed of several subsystems. In order
	* to easily distinguish log messages coming from different
	* places, each subsystem has its own ID.
	*
	* 0-19 config/management
	* 20-39 internal threads
	* 40-59 transports
	* 60-69 crypto implementations
	*/

	#define KNET_SUB_COMMON 0 /* common.c */
	#define KNET_SUB_HANDLE 1 /* handle.c alloc/dealloc config changes */
	#define KNET_SUB_HOST 2 /* host add/del/modify */
	#define KNET_SUB_LISTENER 3 /* listeners add/del/modify... */
	#define KNET_SUB_LINK 4 /* link add/del/modify */
	#define KNET_SUB_TRANSPORT 5 /* Transport common */
	#define KNET_SUB_CRYPTO 6 /* crypto.c config generic layer */
	#define KNET_SUB_COMPRESS 7 /* compress.c config generic layer */

	#define KNET_SUB_FILTER 19 /* allocated for users to log from dst_filter */

	#define KNET_SUB_DSTCACHE 20 /* switching thread (destination cache handling) */
	#define KNET_SUB_HEARTBEAT 21 /* heartbeat thread */
	#define KNET_SUB_PMTUD 22 /* Path MTU Discovery thread */
	#define KNET_SUB_TX 23 /* send to link thread */
	#define KNET_SUB_RX 24 /* recv from link thread */

	#define KNET_SUB_TRANSP_BASE 40 /* Base log level for transports */
	#define KNET_SUB_TRANSP_LOOPBACK (KNET_SUB_TRANSP_BASE + KNET_TRANSPORT_LOOPBACK)
	#define KNET_SUB_TRANSP_UDP (KNET_SUB_TRANSP_BASE + KNET_TRANSPORT_UDP)
	#define KNET_SUB_TRANSP_SCTP (KNET_SUB_TRANSP_BASE + KNET_TRANSPORT_SCTP)

	#define KNET_SUB_NSSCRYPTO 60 /* nsscrypto.c */

	#define KNET_SUB_ZLIBCOMP 70 /* compress_zlib.c */
	#define KNET_SUB_LZ4COMP 71 /* compress_lz4.c */
	#define KNET_SUB_LZ4HCCOMP 72 /* compress_lz4.c */
	#define KNET_SUB_LZO2COMP 73 /* compress_lzo.c */
	+#define KNET_SUB_LZMACOMP 74 /* compress_lzma.c */

	#define KNET_SUB_UNKNOWN 254
	#define KNET_MAX_SUBSYSTEMS KNET_SUB_UNKNOWN + 1

	/*
	* Convert between subsystem IDs and names
	*/

	/*
	* knet_log_get_subsystem_name
	*
	* return internal name of the subsystem or "common"
	*/

	const char *knet_log_get_subsystem_name(uint8_t subsystem);

	/*
	* knet_log_get_subsystem_id
	*
	* return internal ID of the subsystem or KNET_SUB_COMMON
	*/

	uint8_t knet_log_get_subsystem_id(const char *name);

	/*
	* 4 log levels are enough for everybody
	*/

	#define KNET_LOG_ERR 0 /* unrecoverable errors/conditions */
	#define KNET_LOG_WARN 1 /* recoverable errors/conditions */
	#define KNET_LOG_INFO 2 /* info, link up/down, config changes.. */
	#define KNET_LOG_DEBUG 3

	/*
	* Convert between log level values and names
	*/

	/*
	* knet_log_get_loglevel_name
	*
	* return internal name of the log level or "ERROR" for unknown values
	*/

	const char *knet_log_get_loglevel_name(uint8_t level);

	/*
	* knet_log_get_loglevel_id
	*
	* return internal log level ID or KNET_LOG_ERR for invalid names
	*/

	uint8_t knet_log_get_loglevel_id(const char *name);

	/*
	* every log message is composed by a text message (including a trailing \n)
	* and message level/subsystem IDs.
	* In order to make debugging easier it is possible to send those packets
	* straight to stdout/stderr (see knet_bench.c stdout option).
	*/

	#define KNET_MAX_LOG_MSG_SIZE 256

	struct knet_log_msg {
	char msg[KNET_MAX_LOG_MSG_SIZE - (sizeof(uint8_t)*2)];
	uint8_t subsystem; /* KNET_SUB_* */
	uint8_t msglevel; /* KNET_LOG_* */
	};

	/*
	* knet_log_set_log_level
	*
	* knet_h - same as above
	*
	* subsystem - same as above
	*
	* level - same as above
	*
	* knet_log_set_loglevel allows fine control of log levels by subsystem.
	* See also knet_handle_new for defaults.
	*
	* knet_log_set_loglevel returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_log_set_loglevel(knet_handle_t knet_h, uint8_t subsystem,
	uint8_t level);

	/*
	* knet_log_get_log_level
	*
	* knet_h - same as above
	*
	* subsystem - same as above
	*
	* level - same as above
	*
	* knet_log_get_loglevel returns:
	*
	* 0 on success
	* -1 on error and errno is set.
	*/

	int knet_log_get_loglevel(knet_handle_t knet_h, uint8_t subsystem,
	uint8_t *level);

	#endif
	diff --git a/libknet/logging.c b/libknet/logging.c
	index 4a44608b..529df6c4 100644
	--- a/libknet/logging.c
	+++ b/libknet/logging.c
	@@ -1,253 +1,254 @@
	/*
	* Copyright (C) 2010-2015 Red Hat, Inc. All rights reserved.
	*
	* Author: Fabio M. Di Nitto <fabbione@kronosnet.org>
	*
	* This software licensed under GPL-2.0+, LGPL-2.0+
	*/

	#include "config.h"

	#include <strings.h>
	#include <string.h>
	#include <unistd.h>
	#include <pthread.h>
	#include <stdarg.h>
	#include <errno.h>
	#include <stdio.h>

	#include "internals.h"
	#include "logging.h"

	struct pretty_names {
	const char *name;
	uint8_t val;
	};

	static struct pretty_names subsystem_names[] =
	{
	{ "common", KNET_SUB_COMMON },
	{ "handle", KNET_SUB_HANDLE },
	{ "host", KNET_SUB_HOST },
	{ "listener", KNET_SUB_LISTENER },
	{ "link", KNET_SUB_LINK },
	{ "transport", KNET_SUB_TRANSPORT },
	{ "crypto", KNET_SUB_CRYPTO },
	{ "compress", KNET_SUB_COMPRESS },
	{ "filter", KNET_SUB_FILTER },
	{ "dstcache", KNET_SUB_DSTCACHE },
	{ "heartbeat", KNET_SUB_HEARTBEAT },
	{ "pmtud", KNET_SUB_PMTUD },
	{ "tx", KNET_SUB_TX },
	{ "rx", KNET_SUB_RX },
	{ "loopback", KNET_SUB_TRANSP_LOOPBACK },
	{ "udp", KNET_SUB_TRANSP_UDP },
	{ "sctp", KNET_SUB_TRANSP_SCTP },
	{ "nsscrypto", KNET_SUB_NSSCRYPTO },
	{ "zlibcomp", KNET_SUB_ZLIBCOMP },
	{ "lz4comp", KNET_SUB_LZ4COMP },
	{ "lz4hccomp", KNET_SUB_LZ4HCCOMP },
	{ "lzo2comp", KNET_SUB_LZO2COMP },
	+ { "lzmacomp", KNET_SUB_LZMACOMP },
	{ "unknown", KNET_SUB_UNKNOWN } /* unknown MUST always be last in this array */
	};

	const char *knet_log_get_subsystem_name(uint8_t subsystem)
	{
	unsigned int i;

	for (i = 0; i < KNET_MAX_SUBSYSTEMS; i++) {
	if (subsystem_names[i].val == KNET_SUB_UNKNOWN) {
	break;
	}
	if (subsystem_names[i].val == subsystem) {
	return subsystem_names[i].name;
	}
	}
	return "unknown";
	}

	uint8_t knet_log_get_subsystem_id(const char *name)
	{
	unsigned int i;

	for (i = 0; i < KNET_MAX_SUBSYSTEMS; i++) {
	if (subsystem_names[i].val == KNET_SUB_UNKNOWN) {
	break;
	}
	if (strcasecmp(name, subsystem_names[i].name) == 0) {
	return subsystem_names[i].val;
	}
	}
	return KNET_SUB_UNKNOWN;
	}

	static int is_valid_subsystem(uint8_t subsystem)
	{
	unsigned int i;

	for (i = 0; i < KNET_MAX_SUBSYSTEMS; i++) {
	if ((subsystem != KNET_SUB_UNKNOWN) &&
	(subsystem_names[i].val == KNET_SUB_UNKNOWN)) {
	break;
	}
	if (subsystem_names[i].val == subsystem) {
	return 0;
	}
	}
	return -1;
	}

	static struct pretty_names loglevel_names[] =
	{
	{ "ERROR", KNET_LOG_ERR },
	{ "WARNING", KNET_LOG_WARN },
	{ "info", KNET_LOG_INFO },
	{ "debug", KNET_LOG_DEBUG }
	};

	const char *knet_log_get_loglevel_name(uint8_t level)
	{
	unsigned int i;

	for (i = 0; i <= KNET_LOG_DEBUG; i++) {
	if (loglevel_names[i].val == level) {
	return loglevel_names[i].name;
	}
	}
	return "ERROR";
	}

	uint8_t knet_log_get_loglevel_id(const char *name)
	{
	unsigned int i;

	for (i = 0; i <= KNET_LOG_DEBUG; i++) {
	if (strcasecmp(name, loglevel_names[i].name) == 0) {
	return loglevel_names[i].val;
	}
	}
	return KNET_LOG_ERR;
	}

	int knet_log_set_loglevel(knet_handle_t knet_h, uint8_t subsystem,
	uint8_t level)
	{
	int savederrno = 0;

	if (!knet_h) {
	errno = EINVAL;
	return -1;
	}

	if (is_valid_subsystem(subsystem) < 0) {
	errno = EINVAL;
	return -1;
	}

	if (level > KNET_LOG_DEBUG) {
	errno = EINVAL;
	return -1;
	}

	savederrno = pthread_rwlock_wrlock(&knet_h->global_rwlock);
	if (savederrno) {
	log_err(knet_h, subsystem, "Unable to get write lock: %s",
	strerror(savederrno));
	errno = savederrno;
	return -1;
	}

	knet_h->log_levels[subsystem] = level;

	pthread_rwlock_unlock(&knet_h->global_rwlock);
	return 0;
	}

	int knet_log_get_loglevel(knet_handle_t knet_h, uint8_t subsystem,
	uint8_t *level)
	{
	int savederrno = 0;

	if (!knet_h) {
	errno = EINVAL;
	return -1;
	}

	if (is_valid_subsystem(subsystem) < 0) {
	errno = EINVAL;
	return -1;
	}

	if (!level) {
	errno = EINVAL;
	return -1;
	}

	savederrno = pthread_rwlock_rdlock(&knet_h->global_rwlock);
	if (savederrno) {
	log_err(knet_h, subsystem, "Unable to get write lock: %s",
	strerror(savederrno));
	errno = savederrno;
	return -1;
	}

	*level = knet_h->log_levels[subsystem];

	pthread_rwlock_unlock(&knet_h->global_rwlock);
	return 0;
	}

	void log_msg(knet_handle_t knet_h, uint8_t subsystem, uint8_t msglevel,
	const char *fmt, ...)
	{
	va_list ap;
	struct knet_log_msg msg;
	size_t byte_cnt = 0;
	int len, err;

	if ((!knet_h) \|\|
	(subsystem == KNET_MAX_SUBSYSTEMS) \|\|
	(msglevel > knet_h->log_levels[subsystem]))
	return;

	/*
	* most logging calls will take place with locking in place.
	* if we get an EINVAL and locking is initialized, then
	* we are getting a real error and we need to stop
	*/
	err = pthread_rwlock_tryrdlock(&knet_h->global_rwlock);
	if ((err == EAGAIN) && (knet_h->lock_init_done))
	return;

	if (knet_h->logfd <= 0)
	goto out_unlock;

	memset(&msg, 0, sizeof(struct knet_log_msg));
	msg.subsystem = subsystem;
	msg.msglevel = msglevel;

	va_start(ap, fmt);
	vsnprintf(msg.msg, sizeof(msg.msg) - 2, fmt, ap);
	va_end(ap);

	len = strlen(msg.msg);
	msg.msg[len+1] = '\n';

	while (byte_cnt < sizeof(struct knet_log_msg)) {
	len = write(knet_h->logfd, &msg, sizeof(struct knet_log_msg) - byte_cnt);
	if (len <= 0) {
	goto out_unlock;
	}

	byte_cnt += len;
	}

	out_unlock:
	/*
	* unlock only if we are holding the lock
	*/
	if (!err)
	pthread_rwlock_unlock(&knet_h->global_rwlock);

	return;
	}
	diff --git a/libknet/tests/api-check.mk b/libknet/tests/api-check.mk
	index 225b651b..9b6389f3 100644
	--- a/libknet/tests/api-check.mk
	+++ b/libknet/tests/api-check.mk
	@@ -1,236 +1,237 @@
	#
	# Copyright (C) 2016 Red Hat, Inc. All rights reserved.
	#
	# Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
	#
	# This software licensed under GPL-2.0+, LGPL-2.0+
	#

	api_checks = \
	api_knet_handle_new_test \
	api_knet_handle_free_test \
	api_knet_handle_compress_test \
	api_knet_handle_crypto_test \
	api_knet_handle_setfwd_test \
	api_knet_handle_enable_filter_test \
	api_knet_handle_enable_sock_notify_test \
	api_knet_handle_add_datafd_test \
	api_knet_handle_remove_datafd_test \
	api_knet_handle_get_channel_test \
	api_knet_handle_get_datafd_test \
	api_knet_handle_get_transport_list_test \
	api_knet_handle_get_transport_name_by_id_test \
	api_knet_handle_get_transport_id_by_name_test \
	api_knet_handle_set_transport_reconnect_interval_test \
	api_knet_handle_get_transport_reconnect_interval_test \
	api_knet_recv_test \
	api_knet_send_test \
	api_knet_send_compress_test \
	api_knet_send_sync_test \
	api_knet_send_loopback_test \
	api_knet_handle_pmtud_setfreq_test \
	api_knet_handle_pmtud_getfreq_test \
	api_knet_handle_enable_pmtud_notify_test \
	api_knet_handle_pmtud_get_test \
	api_knet_host_add_test \
	api_knet_host_remove_test \
	api_knet_host_set_name_test \
	api_knet_host_get_name_by_host_id_test \
	api_knet_host_get_id_by_host_name_test \
	api_knet_host_get_host_list_test \
	api_knet_host_set_policy_test \
	api_knet_host_get_policy_test \
	api_knet_host_get_status_test \
	api_knet_host_enable_status_change_notify_test \
	api_knet_log_get_subsystem_name_test \
	api_knet_log_get_subsystem_id_test \
	api_knet_log_get_loglevel_name_test \
	api_knet_log_get_loglevel_id_test \
	api_knet_log_set_loglevel_test \
	api_knet_log_get_loglevel_test \
	api_knet_strtoaddr_test \
	api_knet_addrtostr_test \
	api_knet_link_set_config_test \
	api_knet_link_clear_config_test \
	api_knet_link_get_config_test \
	api_knet_link_set_ping_timers_test \
	api_knet_link_get_ping_timers_test \
	api_knet_link_set_pong_count_test \
	api_knet_link_get_pong_count_test \
	api_knet_link_set_priority_test \
	api_knet_link_get_priority_test \
	api_knet_link_set_enable_test \
	api_knet_link_get_enable_test \
	api_knet_link_get_link_list_test \
	api_knet_link_get_status_test

	api_knet_handle_new_test_SOURCES = api_knet_handle_new.c \
	test-common.c

	api_knet_handle_free_test_SOURCES = api_knet_handle_free.c \
	test-common.c

	api_knet_handle_compress_test_SOURCES = api_knet_handle_compress.c \
	test-common.c

	api_knet_handle_crypto_test_SOURCES = api_knet_handle_crypto.c \
	test-common.c

	api_knet_handle_setfwd_test_SOURCES = api_knet_handle_setfwd.c \
	test-common.c

	api_knet_handle_enable_filter_test_SOURCES = api_knet_handle_enable_filter.c \
	test-common.c

	api_knet_handle_enable_sock_notify_test_SOURCES = api_knet_handle_enable_sock_notify.c \
	test-common.c

	api_knet_handle_add_datafd_test_SOURCES = api_knet_handle_add_datafd.c \
	test-common.c

	api_knet_handle_remove_datafd_test_SOURCES = api_knet_handle_remove_datafd.c \
	test-common.c

	api_knet_handle_get_channel_test_SOURCES = api_knet_handle_get_channel.c \
	test-common.c

	api_knet_handle_get_datafd_test_SOURCES = api_knet_handle_get_datafd.c \
	test-common.c

	api_knet_handle_get_transport_list_test_SOURCES = api_knet_handle_get_transport_list.c \
	test-common.c

	api_knet_handle_get_transport_name_by_id_test_SOURCES = api_knet_handle_get_transport_name_by_id.c \
	test-common.c

	api_knet_handle_get_transport_id_by_name_test_SOURCES = api_knet_handle_get_transport_id_by_name.c \
	test-common.c

	api_knet_handle_set_transport_reconnect_interval_test_SOURCES = api_knet_handle_set_transport_reconnect_interval.c \
	test-common.c

	api_knet_handle_get_transport_reconnect_interval_test_SOURCES = api_knet_handle_get_transport_reconnect_interval.c \
	test-common.c

	api_knet_recv_test_SOURCES = api_knet_recv.c \
	test-common.c

	api_knet_send_test_SOURCES = api_knet_send.c \
	test-common.c

	api_knet_send_compress_test_SOURCES = api_knet_send_compress.c \
	../compress.c \
	../logging.c \
	../compress_zlib.c \
	../compress_lz4.c \
	../compress_lzo2.c \
	+ ../compress_lzma.c \
	test-common.c

	api_knet_send_loopback_test_SOURCES = api_knet_send_loopback.c \
	test-common.c

	api_knet_send_sync_test_SOURCES = api_knet_send_sync.c \
	test-common.c

	api_knet_handle_pmtud_setfreq_test_SOURCES = api_knet_handle_pmtud_setfreq.c \
	test-common.c

	api_knet_handle_pmtud_getfreq_test_SOURCES = api_knet_handle_pmtud_getfreq.c \
	test-common.c

	api_knet_handle_enable_pmtud_notify_test_SOURCES = api_knet_handle_enable_pmtud_notify.c \
	test-common.c

	api_knet_handle_pmtud_get_test_SOURCES = api_knet_handle_pmtud_get.c \
	test-common.c

	api_knet_host_add_test_SOURCES = api_knet_host_add.c \
	test-common.c

	api_knet_host_remove_test_SOURCES = api_knet_host_remove.c \
	test-common.c

	api_knet_host_set_name_test_SOURCES = api_knet_host_set_name.c \
	test-common.c

	api_knet_host_get_name_by_host_id_test_SOURCES = api_knet_host_get_name_by_host_id.c \
	test-common.c

	api_knet_host_get_id_by_host_name_test_SOURCES = api_knet_host_get_id_by_host_name.c \
	test-common.c

	api_knet_host_get_host_list_test_SOURCES = api_knet_host_get_host_list.c \
	test-common.c

	api_knet_host_set_policy_test_SOURCES = api_knet_host_set_policy.c \
	test-common.c

	api_knet_host_get_policy_test_SOURCES = api_knet_host_get_policy.c \
	test-common.c

	api_knet_host_get_status_test_SOURCES = api_knet_host_get_status.c \
	test-common.c

	api_knet_host_enable_status_change_notify_test_SOURCES = api_knet_host_enable_status_change_notify.c \
	test-common.c

	api_knet_log_get_subsystem_name_test_SOURCES = api_knet_log_get_subsystem_name.c \
	test-common.c

	api_knet_log_get_subsystem_id_test_SOURCES = api_knet_log_get_subsystem_id.c \
	test-common.c

	api_knet_log_get_loglevel_name_test_SOURCES = api_knet_log_get_loglevel_name.c \
	test-common.c

	api_knet_log_get_loglevel_id_test_SOURCES = api_knet_log_get_loglevel_id.c \
	test-common.c

	api_knet_log_set_loglevel_test_SOURCES = api_knet_log_set_loglevel.c \
	test-common.c

	api_knet_log_get_loglevel_test_SOURCES = api_knet_log_get_loglevel.c \
	test-common.c

	api_knet_strtoaddr_test_SOURCES = api_knet_strtoaddr.c

	api_knet_addrtostr_test_SOURCES = api_knet_addrtostr.c

	api_knet_link_set_config_test_SOURCES = api_knet_link_set_config.c \
	test-common.c

	api_knet_link_clear_config_test_SOURCES = api_knet_link_clear_config.c \
	test-common.c

	api_knet_link_get_config_test_SOURCES = api_knet_link_get_config.c \
	test-common.c

	api_knet_link_set_ping_timers_test_SOURCES = api_knet_link_set_ping_timers.c \
	test-common.c

	api_knet_link_get_ping_timers_test_SOURCES = api_knet_link_get_ping_timers.c \
	test-common.c

	api_knet_link_set_pong_count_test_SOURCES = api_knet_link_set_pong_count.c \
	test-common.c

	api_knet_link_get_pong_count_test_SOURCES = api_knet_link_get_pong_count.c \
	test-common.c

	api_knet_link_set_priority_test_SOURCES = api_knet_link_set_priority.c \
	test-common.c

	api_knet_link_get_priority_test_SOURCES = api_knet_link_get_priority.c \
	test-common.c

	api_knet_link_set_enable_test_SOURCES = api_knet_link_set_enable.c \
	test-common.c

	api_knet_link_get_enable_test_SOURCES = api_knet_link_get_enable.c \
	test-common.c

	api_knet_link_get_link_list_test_SOURCES = api_knet_link_get_link_list.c \
	test-common.c

	api_knet_link_get_status_test_SOURCES = api_knet_link_get_status.c \
	test-common.c

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